Wool felt in craftsmanship: the quiet quality that defines garments and accessories.

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There is something about wool felt that seduces the senses: a sum of warmth, texture, perfect drape, chromatic richness, elegance…

We can talk about the thousand uses of wool felt. As attention to sustainability grows, wool felt is gaining greater prominence in art, interior design, design studios and especially on the runways of the fashion world.

Examples? There is no shortage. Proof can be found in the felt dresses of artist Andrea Zittel, the vests of Italian designer Agostina Zwilling, the inner collars in the made to measure suit line of Bespoke Edge in the USA, as well as children’s coats, structured skirts, gloves, footwear, bags… Sometimes wool felt shows its splendour at first glance, sometimes it fulfils a silent and decisive role in the garment. It can provide reinforcement and structure, as well as great visual impact. In any case, it does so by providing warmth and softness.

The accumulation of qualities in wool felt is surprising. Unique and strategic properties that allow the creation of shapes and creative solutions in pattern making and garment construction. This is why it is so attractive to designers, and why it is making its way to the pinnacle of contemporary and responsible fashion.

What is wool felt made of?

Advantages of wool felt in the garment and fashion industry

The aesthetic value of wool felt

Wool felt in conscious and responsible fashion

TEXTIL OLIUS: more than specialists in natural wool felts

What is wool felt made of?

Wool felt is a non woven textile, noble and ecological, made from the crimped fibre of sheep fleece. Unlike spun textiles, felt is created through the alignment, interlacing and consolidation of wool fibres by means of a mechanical process that combines moisture, heat and pressure.

These carefully selected fibres possess a unique physical property: their surface is covered with microscopic scales, which allows the fibres to interlock, tangle and bond with one another without the need for spinning.

The result? A continuous piece of felt, with an appearance similar to fabric, with a homogeneous, dense, compact and durable structure, without weft or warp. Capable of shaping structured garments, creating volumes, adapting to each pattern, being cut without fraying…

In the production of felt, 100% natural wools or wool blends with other materials can be used. However, in fashion and garment making, natural wool felt stands out in a special way.

Advantages of wool felt in the garment and fashion industry

Fashion loves wool felt. For its versatility, its durability and its wonderfully lively and expressive nature, capable of adapting and dialoguing in the same language as contemporary design.

In addition to its high aesthetic value, wool felt provides multiple functional benefits, both in the manufacturing process and in the final use of garments and accessories. The intrinsic characteristics of natural wool give it exceptional technical properties: it is soft, breathable, gentle on the skin, resistant, flame retardant, repels moisture and accepts a wide variety of special finishes.

These are properties that provide key functions in design studios, and also allow felt to adapt to the requirements, techniques and creativity of the designer, or to the specific needs of the garment itself and the user.

Structure and drape: it provides shape without stiffening

Felt, depending on its weight and density, offers “body” and self regulates the drape of the garment, allowing structured contours in short coats, designer blazers, hats and bags.

  • This ability of wool felt to maintain a defined structure, even over time, without turning the garment into a rigid object, is one of the most appreciated properties by designers in the construction of lapels and inner collars of coats and jackets. It is a material that responds to body movement, maintains the silhouette and easily recovers its shape. These qualities derive from the interlacing of its wool fibres, from the durability and resistance of its structure. Properties that can be adjusted during felt production by controlling the degree of compaction. In addition, they must guarantee high dimensional stability.

In bespoke tailoring, the colour of the felt used for the inner collar in sport jackets or blazers is also often customised to contrast with the garment.

At TEXTIL OLIUS we customise the density, thickness and colours of our wool felts to cover all the needs of the fashion and garment industry. Our high quality natural wool undercollar felts meet the requirements for colour fastness to wet and dry rubbing, dry shrinkage and are certified OEKO-TEX®.

Adaptability to design: shaping and pattern making

Wool felt responds exceptionally well to manual shaping techniques on rigid forms and moulds, including the use of steam. In the garment industry, this facilitates the creation of three dimensional pieces without the need for complex interlinings, such as caps, slippers or anatomical pieces for different garments in corsetry.

For example, hat makers steam the felt and shape it into the desired form: classic wide brim hats, delicate fedoras, famous cloche hats, traditional Italian berets…. Even with the innovative development of fibres and fabrics, wool felt remains the material of choice in this field of garment making. And it is returning strongly to the runways and to everyday life.

  • A good example is the Borsalino baseball cap, shaped in high quality wool felt. It conveys a raw yet elegant appearance. It is an example of the perfect harmony between refined Italian craftsmanship and modern functionality. Wool felt is definitely travelling into the future.

In addition, felt allows variations in techniques to innovate and exploit creativity in fashion. For example,

  • Nuno felting, where wool fibres are felted through a woven base fabric. It is also called “embedded” felt. It allows interesting texture effects with unique designs. It can also help to lighten the felt, to create garments with a more attractive drape and movement, such as shawls and scarves.

Precision and cleanliness in cutting: it does not fray

Woven fabrics are created with a weft and a warp threads that interlace at 90° to form the fabric, which makes them strong in those directions as long as the integrity of the threads is maintained. Whereas in wool felt, being a non woven textile, its fibres are intimately interlaced, so its integrity does not depend on the breakage of a single thread.

  • What does this mean? That a piece of wool felt can be cut with complete freedom, without compromising its shape or its structural behaviour. Straight lines, curves, organic silhouettes… any shape remains well defined. In addition, due to its non woven structure, the cut edges of felt do not fray, which is an advantage in the designer’s work and expands design possibilities.

Resistance to use: felt keeps its shape and is durable

Durability is also a distinctive hallmark of wool felt. Its interlaced structure composed of wool fibres, as well as the internal composition of those fibres, give felt dimensional stability, abrasion resistance at high densities and good recovery after folding and repeated handling.

It has an almost intelligent molecular structure that allows it to stretch without deforming, to fold and still recover its original shape. For this reason, wool felt is recognised and valued as a resistant material that defies wrinkles.

  • This resistance reduces ironing in the workshop and at the point of sale. It also facilitates the transport and packaging of finished products. This makes it attractive for the creation of seasonal garments and travel or intensive use accessories, such as bags, footwear, cold weather accessories…
  • In addition, it provides a highly valued functional advantage in fashion: garments or accessories made from wool felt retain their aesthetic and well cared appearance over time. It reinforces their perceived quality in the long term.

For the designer, working with a material that does not wrinkle means greater control over the final silhouette. It also reduces creation time, as subsequent interventions are minimised.

Versatility in the creative process: colours, densities and thicknesses

Felt is an astonishing material. Its chromatic richness and its ability to customise thickness and density offer designers infinite opportunities for unique self expression. From shoes to the tip of a hat, almost any garment or accessory can be made from wool felt.

This variability facilitates the use of different thicknesses, densities and colours depending on the needs of the piece or garment, or the creativity of the designer.

  • The greater the density of the wool felt, the more resistant and dimensionally stable it will be. It will have greater capacity to withstand friction and serve as a cushioning material.

At TEXTIL OLIUS we can provide any colour tone to our natural wool felts without compromising sustainability. We adapt to any chromatic requirement in fashion design, from the softest and most natural tones to the most intense and vibrant ones.

We have the technical and technological capacity to manufacture wool felts in a wide range of densities, from 0.13 g/cm³ to 0.5 g/cm³. And in thickness, we can reach up to 30 mm.

Comfort and natural breathability

Wool felt retains the property of thermal insulation, which gives it the unique charm of offering comfort and warmth through outerwear and accessories. Why? Because its interior is formed by crimped wool fibres that create a wonderful microporous structure, capable of retaining and trapping air and forming a warm air barrier to prevent internal heat loss.

  • For example, felt, as a thermal insulating material, can be incorporated as a secret weapon in jackets to protect the wearer in cold seasons. Felt can be used intelligently at key points of body heat loss and at areas where cold air enters, such as cuffs, collars and hems. This type of design allows heat retention and increases the overall comfort of the wearer. And at no point is ergonomics sacrificed.

Wool is a naturally breathable and moisture regulating fibre. A well dimensioned felt with the appropriate finish facilitates the evacuation of water vapour and prevents moisture build up inside the garment, improving user comfort. This breathability makes felt suitable for technical garments and for the manufacture of accessories that require thermal control.

Download the catalogues of 100% wool felts, wool undercollar felts or the E 12801 special colours catalogue.

The aesthetic value of wool felt

Felt acts as a strategic and visual signature. Its soft and natural texture, its elegant appearance and its superior durability generate a sober, luxurious and silent aesthetic language, capable of differentiating a brand and building a premium image.

Luxury accessories, atelier pieces and seasonal collections take advantage of this natural and unique appearance to communicate authenticity, craftsmanship and customisation. In addition, in contemporary design the simplicity of form and the richness of the material generate a high impact on brand value. Therefore, felt offers a perfect balance between resistance, aesthetics and distinction.

Wool felt in conscious and responsible fashion

If we focus on conscious and responsible fashion, we enter a more ethical, more ecological and more durable fashion. In the design of garments that remain perfect season after season and in a manufacturing process that includes sustainable, even recycled textiles, always guaranteeing high quality production.

Natural wool is a renewable, biodegradable and low environmental impact resource when obtained ethically, which makes felt a coherent option with the principles of conscious fashion.

  • Wool felt is made from sheep fleece, a resource that regenerates year after year.
  • The use of sheep wool represents the valorisation of this renewable natural resource.
  • Wool can reach its first stage of biodegradation in just 4 months when deposited in the soil.
  • We have our own wastewater treatment plant for the production process.
  • We reuse residual fibres and felt remnants generated by our own industrial process.

For conscious consumers, garments and accessories made of wool felt represent a valuable investment. They are products that not only stand out for their elegance and durability, but also reflect an ethical commitment to the environment.

This duality between beauty and ecological awareness positions wool felt as a strategic, even essential, material in collections that seek to harmonise style, functionality and sustainability.

TEXTIL OLIUS: more than specialists in natural wool felts

Fashion and wool felt share the same essence: creativity and innovation. They are capable of combining aesthetic and sustainable value in every design.

At TEXTIL OLIUS, natural wool felt is conceived as a living, high quality material, designed to accompany designers and brands in their most demanding creative processes.

For more than a century and a half, we have been providing technical knowledge, experience and aesthetic sensitivity to offer wool felts that bring character and elegance. Do you need quality in your final product? Contact us.

What special finishes can wool felt have?

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There are multiple ways to enhance the qualities of wool felt. Wool felt is a living, complex and extremely adaptable system whose structure and surface allow adjustments and optimisations according to the environment in which it must perform. Like a high performance athlete, natural wool felt possesses exceptional capabilities: resilience, insulation, breathability, resistance, durability. However, its maximum potential emerges when it receives the right training, when the expert manufacturer activates, reinforces or guides the natural architecture of the felt towards specific performances in order to respond to very precise functional demands. How is this achieved? Through special treatments and finishes such as flame resistance, water repellence, antistatic properties, densification, pilling control, colour stability.

What is wool felt?

Wool felt, despite being one of the oldest textiles created by humanity, continues to preserve the sophistication and versatility that keep it relevant, allowing it to continue captivating manufacturers, builders, designers and users. Its almost extraordinary properties give it a high functional flexibility, allowing it to adapt with elegance and character to the most demanding environments: retail spaces, offices, industries, machinery, furniture, fashion accessories, toys, footwear and more. It can even enrich and stimulate the creative processes of designers and artisans across diverse sectors. The key? Knowing how to choose densities, thicknesses, colours and special finishes that reinforce its mechanical, chemical, physical or aesthetic qualities.

  • Wool felt made from 100 percent natural wool is a nonwoven material with a uniform appearance, dense body, high resistance and a surprisingly soft touch. It is created through a traditional process combined with the most advanced technologies: the crimped fibres of sheep fleece are consolidated through processes that combine moisture, heat and pressure. Each of these curled fibres has tiny scales similar to those of a fish, allowing them to interlock firmly and durably while also creating an internal structure of interconnected micropores.

To this unique architecture of wool felt is added its own biochemistry, rich in keratin, nitrogen, water, disulfide bonds, proteins. This composition gives it remarkable capabilities to intelligently manage moisture, protect itself against wear, resist fire and recover its shape after deformation, among many other qualities. In addition, wool felt allows functional treatments or finishes that enhance or strengthen its essential properties, refining its performance according to the requirements of each application.

Main treatments and special finishes of wool felt

The special finishes of wool felt can be grouped according to the nature of the treatment applied to the material. They are not always isolated interventions. In many advanced applications, these finishes are strategically combined to optimise specific properties of the felt, extend its functional range or impart essential attributes, depending on the requirements of the sector or project.

  • Chemical finishes. These treatments include water repellence, antimicrobial protection, moth resistance and stain resistance. They are processes that respect the flexibility and breathability of the felt, integrating seamlessly into its internal architecture.
  • Thermal finishes. These can provide greater shape stability, improve dimensional balance or enhance performance for high temperature technical applications.
  • Mechanical finishes. For example, these include processes that densify wool felt, increase its resistance to wear, modify its surface appearance or refine its thickness.

1 Flame resistant finish

Wool felt naturally possesses a notable and intrinsic flame resistant behaviour. However, depending on the density and thickness of the product, it may be necessary to reinforce this behaviour when it must meet strict technical regulations or operate in high risk scenarios. The flame resistant finish gives wool felt exceptional resistance and behaviour when exposed to heat and fire: it does not burn, does not spread flames and self extinguishes once the ignition source is removed. Fire resistance ratings may vary depending on project requirements. For example:

  • In the construction sector, products and elements for buildings must comply with the UNE EN 13501 1 standard, which evaluates three basic indicators in textiles: smoke production, contribution to fire and production of flaming droplets or particles. This flame resistant finish makes felt a safe material for interior design and decoration.

Download our catalogues of 100 percent wool felts and felts A 270,

we can manufacture them with the highest fire resistance grade in construction “B s1 d0” according to UNE EN 13501 1, with low smoke production and no flaming droplets or particles. Depending on the application, we can work under ASTM E84, UNE 23727, the French M standard or other sector specific regulations such as those in the automotive industry.

2 Anti pilling finish

Pilling is the formation of those small, annoying and unwanted pills that dull the surface of a textile. It occurs due to the entanglement of short or loose fibres caused by friction. This phenomenon affects both the appearance and the texture of the material, diminishing its elegance and softness. In wool felt, this phenomenon can be controlled either by increasing density or through anti pilling finishes that stabilise its surface, reinforce the cohesion of the outer fibres and prevent them from detaching easily.

  • The result? Wool felt that extends its service life, maintains its attractive and refined nature, resists wear and preserves a clean, uniform and elegant appearance even after prolonged use.
  • Where is it applied? It is especially valued in decorative applications, luxury packaging and other consumer goods where texture and visual presence are essential.

For example, anti pilling is a valued treatment to maintain the functionality and aesthetics of wool felt used in acoustic absorption elements subject to high foot traffic, bags, accessories, phone cases and other applications exposed to frequent friction and use.

3 Stain resistant treatment

Wool fibres possess a natural wax coating known as lanolin, which acts as a first protective barrier. Thanks to it, wool repels water and offers innate resistance to certain stains. This intrinsic property can be further enhanced through additional treatments such as the stain resistant finish. How is it achieved? After dyeing, techniques are applied that give wool felt a unique finish that repels water and dirt. At the same time it offers long lasting durability and resistance to dry cleaning, without sacrificing the soft touch that characterises this noble and warm material.

  • This type of finish is especially appreciated in the manufacture of furniture, decorative panels, fashion accessories and other consumer goods where the felt is exposed to human contact, daily use, constant friction and dust. This ability to remain impeccable gives it both functional and aesthetic value.

4 Water repellent finish

The water repellent treatment gives wool felt greater resistance to liquid water, causing droplets to slide over the surface rather than penetrate the structure. It is not an absolute waterproofing that completely blocks the passage of water. A properly applied water repellent finish respects the felt’s ability to manage water vapour while providing greater resistance to moisture, splashes or occasional contact with liquids. Under prolonged or intense exposure, some moisture may still pass through.

  • For example, industrial applications where water repellence is a relevant requirement.

5 Antistatic finish

In certain industrial and technical environments, the accumulation of static electricity can become a silent adversary. Friction or repeated contact between felt and another surface can generate static charges that remain accumulated if not dissipated. The antistatic finish is applied to reduce the accumulation of static charges by facilitating their natural dissipation. How is this achieved? By incorporating conductive agents that create a continuous electrical discharge path, preventing sparks or abrupt discharges. Technical felt with antistatic treatment can be safely used in applications where static electricity could affect equipment and industrial processes. For example, it is used in components of industrial machinery where excess static could create conditions capable of initiating a fire.

6 Anti mould

Although wool has natural resistance to microbial growth, in very humid, enclosed or poorly ventilated environments it may be necessary to reinforce this defence. The anti mould finish acts as a discreet barrier that prevents the deterioration of the material. It can be used in felts intended for industrial environments or in coloured felts for interior design, fashion design, orthopaedics and similar fields.

7 Anti moth

The anti moth treatment protects wool fibres from the discreet and persistent attack of insects that feed on keratin, a protein present both in the outer scaly layer of the fibre and in its inner core. It is a special finish obtained by the controlled incorporation of protective agents that inhibit the activity of these insects. This process helps preserve the structure and beauty of wool felt over time.

  • The anti moth finish becomes essential in long lasting applications, in felt pieces intended for prolonged storage or in elements used in domestic environments. For example, it is an ideal treatment for wool felts used in the creation of artistic works.

8 Non slip

There are occasions when friction becomes an ally, a necessary technical resource to provide safety. For this reason, the non slip finish aims to modify the surface of the felt to prevent slipping by incorporating coatings or textures that increase the coefficient of friction.

  • For example, natural wool felt desk mats with a non slip backing thanks to a thin latex layer. Natural wool rugs that combine beauty and functionality can also incorporate a non slip surface that allows them to remain flat on the floor without moving, even during children’s play or yoga practice.

The result is a non slip wool felt piece that retains its softness and character.

9 Extra light fastness

There is also a finish that inhibits the fading of wool felt caused by natural light. This treatment is applied in accordance with the UNE EN ISO 105 B02 standard, which determines colour fastness using an artificial light source that simulates the spectrum of solar radiation. In technical terms, this finish improves light fastness by half a point. It is a valuable reinforcement for wool felts used in furniture, curtains or panels exposed to intense natural light over long periods. It therefore acts as a shield to preserve the chromatic intensity of the felt.

10 Custom colour development

Beyond being an aesthetic decision, the dyeing of wool felt allows the material to be chromatically adapted to the identity of a design or brand, enabling it to fully integrate into the space, architecture or moment. For example, at Textil Olius we produced a special piece for the House of Windsor, the 250 square metre carpet used for the final farewell to Queen Elizabeth II of England. We manufactured it from 100 percent natural wool with high density to increase its resistance. In addition, through a complex process, we achieved the elegant, noble and powerful reddish burgundy colour. Our dyeing process is an important part of felt manufacturing. To this end, we have developed a method that adapts perfectly to wool felt and guarantees colour fastness and stability.

  • We use the minimum amount of water possible.
  • We control the water temperature to prevent any alteration of the dyes.
  • We carry out strict chemical control. We meticulously analyse each project and use the minimum possible chemical additives.
  • We have our own system for purifying the water released during the process. In this way we close our sustainable cycle.

Our OEKO TEX Standard 100 certification confirms that all our wool felts are free from harmful substances.

11 Densification

Densification is one of the most decisive mechanical finishes for redefining the hardness and rigidity of wool felt. It consists of adjusting the mass through the application of controlled pressure, thereby increasing compaction and performance in specific environments or applications. For example, at Textil Olius we have the technical and technological capacity to manufacture wool felts across a wide range of densities, from 0.13 g per cubic centimetre to 0.5 g per cubic centimetre. A felt with higher density is more resistant, more dimensionally stable and capable of performing in demanding technical applications such as cushioning material, supporting friction or absorbing vibrations.

TEXTIL OLIUS… nearly two centuries shaping wool felt

When its nature is understood, wool felt responds with greater intelligence, resistance and beauty. It is a material that adapts without losing its essence, that adds character without imposing itself, that accompanies spaces without invading them. Its presence is silent and enduring. At Textil Olius, for more than 170 years we have interpreted the language of wool felt. We have deciphered its architecture to bring it to its highest expression. This is why we export to more than 40 countries. Wool felt made from 100 percent natural wool or wool blended with other fibres. We adapt our solutions to the requirements of your project. We also guide you in the selection. Request information.

Adhesive wool felt: a technical and versatile solution for multiple industries

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Natural wool felt can be used in almost everything the mind is capable of imagining.

Since time immemorial, wool felt has accompanied human beings as a silent ally of comfort and protection against adverse conditions. Evidence dates back thousands of years BC, in Central Asia, the Middle East and Mongolia, where nomadic peoples discovered in this material extraordinary insulating and durable capabilities. They used it as covering for floors, as the walls of their homes (yurts), in clothing, decorations, shields… Over the centuries, felting techniques spread through Europe and later to America, turning wool felt into a prized raw material also for footwear, hats, armour and other accessories. It even defined a style between the 15th and 20th centuries, becoming synonymous with both well-being and elegance and distinction.

Adhesive wool felt

Today, wool felt, especially in its self-adhesive version, still offers its unique properties and adapts with extreme versatility to the demanding challenges of today’s world. Automotive, construction, interior design, healthcare, music, sport, etc. are just some of the sectors in which adhesive wool felt is providing technical, sensory, resistant, aesthetic and comfortable solutions… It is a strategic resource that, thanks to its exclusive qualities, helps solve challenges in multiple industries.

What exactly is adhesive wool felt?

Adhesive wool felt is designed to offer greater efficiency and simplify installation in technical, decorative and industrial settings. We manufacture it respecting the principles of the authentic traditional process while at the same time incorporating advanced technologies that make it possible to control its unique attributes and guarantee maximum quality.

  • Each piece of felt is made of carefully selected 100% natural wool fibres, which are homogenised, aligned, consolidated and conglomerated through extremely precise mechanical processes (mixing, carding, felting, fulling…), combining pressure, moisture and heat, plus repetitive compaction cycles that guarantee a resistant structure. This is achieved thanks to the unique physical property of sheep’s wool: the microscopic scales on its surface (cuticles), which are capable of interlocking in the presence of moisture, heat and friction.
  • On its reverse, a high-performance adhesive layer is added, normally formulated to withstand demanding conditions, such as exposure to high temperatures or high humidity.

Textil Olius wool felt

This results in a strong, cohesive, durable, uniform felt that is extraordinarily resistant, soft to the touch and “ready to use”. It is a material that combines the functional richness and intrinsic versatility of natural wool with the practicality of a self-adhesive backing that allows simple and durable fixing on various surfaces: glass, wood, metal, polymers, etc.

And it is this fusion that turns adhesive wool felt into a valuable, adaptable resource that is highly appreciated in multiple scenarios. For example, to seal, insulate and cushion in industrial processes; to cover acoustic panels and other elements in interior design or construction projects; to absorb vibrations or protect machinery surfaces…

 

Specifically, adhesive wool felt:

  • Allows quick application.
  • Eliminates or minimises the use of mechanical fasteners.
  • Offers reliable and durable adhesion, even under pressure or heat.
  • Supports different levels of adhesion, depending on its purpose.

Key technical properties of adhesive wool felt: advantages for industry

Felt is a non-woven textile matrix manufactured in various densities and, as it is made up of millions of individual natural wool fibres (mixed, felted, compressed …), it offers almost permanent resilience.
Its most outstanding and valued properties are the following:

  • Cushioning. Its ability to absorb impacts and its elasticity allow it to withstand static and dynamic compression stresses without deteriorating. Felt has a molecular structure that allows it to stretch without deforming and to recover its original shape.
  • Vibration insulation. Wool felt can reach an efficiency of up to 85% in isolating vibration energy. For example, if the appropriate densities and thicknesses are selected, felt can reduce the vibration energy that a machine transmits to its base.
  • Moisture and liquid absorption (hygroscopic). Wool felt is durable and stable in the presence of oils, greases, lubricants, moisture, detergents, salts and various chemical products. It can easily absorb moisture up to ⅓ of its weight without losing its insulating capacity. It can also absorb water and then release it slowly. For example, it serves as a soaker or retainer of liquids or oils in industrial equipment.
  • Compatible with industrial processes. Felt can be cut, die-cut and sewn with relative ease, without losing integrity or texture.
  • Acoustic absorption. Its complex, unique, three-dimensional internal structure, almost magical, with curly and interlaced fibres that create interconnected paths, allows wool felt to trap and dissipate sound waves to an exceptional degree. It is especially useful for controlling sound reverberation at mid and high frequencies, where human speech and shrill noises, respectively, are perceived.
  • Temperature regulation. Wool fibres have a curly structure that creates tiny chambers that trap air. This provides a sensation of comfort in both cold and warm climates.
  • Sustainability. It is a natural, renewable and biodegradable fibre that respects the environment and the aesthetic of each project.
  • Durability. Technical wool felts do not fray, and they maintain their integrity and functionality even in applications under friction or repeated impacts. They preserve their elegance over time.
  • Functional versatility. It is used for sanding, polishing, cleaning, sealing, covering… in joints, seals, filter media, decorative supports, etc.
  • Aesthetics. Wool felt has a natural and elegant presence. Its flexible body adapts smoothly to shapes and surfaces. Its volume and texture provide authenticity, visual depth and multiple finishes with unique tactile sensations. At the same time, its fibres are capable of reflecting light subtly, creating warm chromatic nuances that enhance the aesthetics of any environment.

    And if the project requires a custom solution? At Textil Olius we specialise in the technical customisation of natural wool felts for any application. We adapt specific densities and thicknesses, create the colour shade you need and apply advanced functional finishes: water-repellent, fire-retardant, anti-static…

Download the catalogues of technical felts, 100% wool felts or the A270 catalogue.

Textil Olius wool felt

Applications of adhesive wool felt in different industries

Adhesive wool felt is a material that optimises operations, improves the technical performance of systems, adapts to irregular surfaces and boosts the performance of applications and elements in demanding environments.

Automotive

Adhesive wool felt acts inside vehicles as an invisible guardian of comfort. It can reduce vibrations and harshness, absorb noise and improve thermal insulation. It is a material that enhances the driving experience by offering smoothness and quietness.

Adhesive wool felt in automotive

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Anti-vibration pads in door seals.

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Seals and sealing profiles in areas where oil resistance is required, such as engine compartments or secondary transmissions.

Construction

The versatility of adhesive felt allows it to be used in construction phases and provides comfort and visual harmony to the finished work. It is mainly used for controlled acoustic and thermal insulation, in seals against air infiltration, protection of finishes, dust collection and floor polishing.

It helps keep homes warm in winter and cool in summer. It is a natural fibre that is highly resistant to fire and can absorb harmful and odorous substances.

Adhesive wool felt in construction

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Perimeter seals on windows, doors and frames to reduce draughts and help soundproofing.

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Covering beams and ceilings, light partitions and panels for acoustic and vibration insulation. For example, to reduce rain noise or noise in offices.

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Protectors in carpentry, under skirting boards or wooden floors, or between wooden parts to avoid noises caused by expansion or wear due to contact.

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Thermal insulation in buildings with wooden structures. Felt allows the structure to breathe while maintaining thermal insulation.

Interior design

Adhesive wool felt combines aesthetics, functionality and ease of use. Its texture, its sound and thermal insulation capacity, its sophisticated finish and its extensive colour range can transform any space into a true sensory sanctuary. It is a material that adapts to modern and classic styles, integrating sustainability, sophistication and agility in installation.

Adhesive wool felt in interior design

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Adhesive bases for modular carpets and wall coverings.

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Adhesive pads for furniture to ensure smooth movement of furniture and prevent scratches on floors.

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Covering aesthetic and decorative acoustic panels in offices, restaurants, meeting rooms, shops, classrooms, art exhibitions… without drilling.

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Interior lining of drawers and display units.

Medical and orthopaedic sector

Adhesive wool felt is a gentle yet firm support that provides comfort and breathability. Its ability to regulate moisture and its great softness to the touch make it an ideal material for cushions, pads, insoles and orthopaedic supports.

Adhesive wool felt in the healthcare sector

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Adhesive padding in splints and orthopaedic supports.

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Breathable bases in orthoses and special insoles.

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Patches and pads for non-implantable medical devices.

Music

Felt has historically been an ally of music. It is essential in the manufacture of pianos and percussion instruments, as well as in conditioning the acoustics of rooms. Its adhesive layer simplifies replacements and adjustments. It is a material that silently controls acoustic resonances, dampens unwanted vibrations and provides stability to instruments.

Adhesive wool felt in music

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Internal pads in pianos to improve resonance and sound quality.

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Felt sheets for timpani drums, ensuring precise modulation of sound.

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Felt washers that provide cushioning and stability to cymbals.

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Adhesive lining for booths and acoustic control panels in studios and rehearsal rooms.

Industrial machinery components

In industrial environments, adhesive wool felt mainly plays roles in sealing, controlled lubrication, surface protection and vibration damping in various machines and equipment. Thanks to its high damping factor, it is useful for reducing the amplitude of vibrations.

Adhesive wool felt in industrial machines

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Seals and pads to absorb liquids in machines and equipment, or to ensure capillary lubrication.

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Protection of surfaces sensitive to vibrations, abrasions or impacts. For example, a felt mounting under precision equipment to protect the instrument from noise and external vibrations.

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In textile machinery, especially to control vibrations or the movement of the equipment itself.

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In glass handling and cutting machines.

Textile and fashion industry

Beyond garment making, adhesive wool felt has strategic technical applications in production, finishing of footwear and accessories and in integrating aesthetic details. It brings sophistication, sustainability and durability to the final product.

Adhesive wool felt in the textile and fashion industry

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Adhesive reinforcements in footwear and accessory components.

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Supports for labels and finishes that require fixing without sewing.

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Functional or decorative patches for sustainable collections.

Sport

Sport requires materials that protect, cushion and, in some cases, manage lubrication or moisture. Wool felt offers a firm, soft and resistant texture, without sacrificing mobility.

Adhesive wool felt in sport

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Adhesive cushions in equipment such as helmets, protectors and supports. Eliminating impacts or friction is transformed into a feeling of comfort.

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Coverings of contact areas to reduce wear on equipment.

Electronics

In electronic equipment, appliances and casings, felt is used to insulate, seal and protect against vibrations and shocks. In addition, it can be used as a lubricating mechanism in joints to avoid friction and noise.

Adhesive wool felt in electronics

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Anti-vibration pads for sensitive components.

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Interior linings or seals to avoid friction and micro-movements.

Sustainability: competitive advantage of natural wool felt

Manufactoring process Textil Olius

Wool is a natural, renewable and biodegradable fibre with exceptional properties, positioned as a sustainable and higher-performance alternative to various synthetic polymers.

At Textil Olius, all our wool felts are certified under the OEKO-TEX Standard 100 label, guaranteeing the absence of harmful substances. Our processes and dyes are environmentally friendly. Sustainability and quality are pillars in every stage of production.

How to choose the right adhesive wool felt?

Choosing wool felt correctly requires evaluating technical and aesthetic parameters to ensure maximum performance in the final application.

Key factors to consider

Before requesting the production of wool felt, we recommend considering the following technical specifications:

  • Thickness. We offer wide customisation in wool felts, from 0.8 mm to thicknesses greater than 30 mm, depending on the required degrees of compression, cushioning and acoustic or moisture absorption.

  • Density. The optimal density of wool felt depends on each use case. At Textil Olius we adapt the density of the felt to the technical, aesthetic or structural requirements you need, up to 500 kg/m3.

  • Functional finishes. Depending on the environment and the demands of the project, we can provide our felts with various finishes that give them other special properties: fire-retardant, water-repellent, stain-resistant, anti-static, mothproof, non-slip, anti-pilling, anti-mould, etc.

  • Colour and aesthetics. At Textil Olius we have an extensive chromatic diversity for unlimited creativity. Our dye laboratory allows us to offer any colour the client needs, from natural and soft tones to the boldest and brightest ones. For interior design projects, accessories, garments, footwear, orthopaedics, etc.

  • Composition. Only natural wool or wool blended with other fibres. We adapt to all applications and needs of modern industry.

Consulting a specialised manufacturer

At Textil Olius we analyse each requirement to offer 100% customised wool felt solutions, with or without adhesive.

Textil Olius wool felt manufacturers

We are backed by a 173 year track record of manufacturing and innovating in the world of natural wool felt.

Our felts are produced under strict control to ensure safety, traceability and compliance with international quality standards. Our OEKO-TEX Standard 100 certification proves it. That is why we serve demanding industrial sectors. We export to more than 40 countries.

Request information. Our technical team will advise you on the characteristics of the wool felt that is most suitable for making your project a success.

More than 170 years manufacturing. Always wool felt, always Textil Olius.

 

The natural wool felt in the acoustics of avant-garde spaces

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Noise is more than just an unpleasant sound: it affects concentration, performance, and health, causing discomfort, fatigue, and headaches both in offices and in restaurants, hotels, or shopping centers. To counteract it, natural materials with acoustic properties are presented as an effective solution for walls, partitions, or decorative elements. These must combine design, well-being, versatility, and sustainability. A prime example is natural wool felt, capable of absorbing sound while adding comfort, elegance, and aesthetic value to spaces.

Materials that care for the space, the ear, and the planet

The strategy to address this challenge must be defined from a holistic perspective, one that is key to well-being, operational efficiency, and brand image. It is not just about choosing between insulation to prevent external noise sources from invading the interior, absorption to control sound energy within the space, and diffusion to avoid sound hotspots or masking. In avant-garde spaces, the decision also requires the use of materials that bring warmth and luxurious aesthetics, creating invisible yet artistic acoustic barriers that complement lighting and color, and that, beyond being functional, allow for elegant, modern, and sustainable surfaces.

Why choose wool felt for interior design and acoustic projects?

Because in contemporary interior design projects, we must also think about appearance and how the chosen acoustic cladding impacts the environment and human health. We must consider the eco-responsibility of the design, the image that the material conveys to the brand, its potential for client retention, and its long-term value.

Choosing a natural acoustic covering such as wool felt helps create healthier spaces for everyone, without releasing harmful substances into the air. It makes use of its excellent sound-absorbing capacity and offers the user a comfortable and beautiful environment.

Wool felt as a natural acoustic absorber: unique properties

Wool felt is a 100% natural, renewable, and biodegradable material, with unique properties that allow it to trap and dissipate sound waves thanks to its porosity and its internal three-dimensional structure. This capacity arises both from the spiral shape of the wool fiber and from our manufacturing process, which reinforces this characteristic.
The result is an intricate network of natural, curly, and interlaced fibers that generate complex and interconnected paths at the micro- and sub-micrometric scale. Through them, air circulates, and sound waves are filtered, the key to the excellent acoustic performance of wool felt in sound absorption.

When a sound wave reaches wool felt, it penetrates the material, makes the fibers vibrate, and begins to lose energy through friction and vibration between the walls of the filaments, as well as through thermal transfer between the material and the air in the microchannels. It is a subtle yet effective mechanism, where sound is transformed into imperceptible heat, allowing environments to gradually regain a much more relaxed sound texture.

  • This complex and unique structure makes sheep’s wool an exceptional acoustic absorber — especially in mid frequencies, where human speech is perceived, and in high frequencies, where noise tends to be most disturbing, such as shrill alarms, whistles, and mobile phone tones. These two frequency ranges are the most common in environments such as offices, restaurants, hotels, and shops.

Download our catalogue of Wool Felts and Technical Felts.

Other relevant properties of natural wool felt

In addition to this performance, sheep’s wool differs from synthetic fibers by offering complementary benefits, such as:

• Aesthetics: Wool has a natural drape, volume, and texture that bring elegance and visual authenticity. Its fibers softly reflect light, giving chromatic depth and a warm appearance. It also allows for multiple finishes from a velvety touch to more technical surfaces, which expands its aesthetic versatility.

• Thermal regulation: Wool acts as a natural insulator that adapts to its environment: it retains heat in cold climates and allows ventilation as temperatures rise. Its crimped fiber structure creates small air chambers that help maintain a stable body temperature. Thanks to this, wool provides a constant feeling of thermal comfort, even with abrupt changes in ambient conditions.

• Fire resistance: Wool is inherently flame resistant — it does not melt or drip upon contact with fire and self-extinguishes once the heat source is removed. Its high nitrogen and water content act as a natural barrier against combustion. For this reason, it is a safe option for environments that require fire resistance without added chemical treatments.

• Elasticity: The molecular structure of wool allows its fibers to stretch up to 30% and return to their original shape without deforming. This elasticity contributes to the felt’s durability, maintaining its shape and appearance even after long periods of use.

• Biodegradability: It is a 100% natural fiber that decomposes in the soil, releasing nutrients without leaving plastic residues.

Acoustic absorption: technical performance of wool felt in acoustics

The acoustic performance of sheep’s wool is evaluated using parameters such as the absorption coefficient and the Noise Reduction Coefficient (NRC).

What influences the sound absorption capacity of our wool felts beyond their porous structure and the wool fiber itself? For example:

  • Thickness. Wool felt can achieve different levels of acoustic absorption depending on its thickness. The greater the thickness, the higher the absorption coefficients.
  • Density is combined with the morphology of the wool. There is an “optimal density” for felt: if the density is too low, fibers do not generate enough friction to dissipate energy; if too high, fibers cannot move freely, and the dissipative effect decreases.
  • At Textil Olius, we offer the possibility to customize our wool felts so that your project is unique. Clients can specify the necessary densities and thicknesses according to their acoustic and decorative goals.

We know that every space and interior design project is unique. Depending on the required degree of sound absorption or the aesthetic or structural demand, it is possible to request felts with thicknesses over 30 mm and densities up to 400 kg/m³.

Wool felt manufacturers

Colour palette and customization possibilities

At Textil Olius, we work with 100% natural, renewable, and biodegradable wool a sustainable product with high acoustic performance. Our experience allows us to offer customers the option to adapt felt to the technical and aesthetic needs of each project.

We have the technological capacity to manufacture wool felt to measure, according to the density and thickness specifications required for optimal sound performance in any space. Moreover, our wide range of colours facilitates the integration of felt into any interior design concept. We can produce natural felt in any colour the client needs.

Real applications of acoustic felt in interior design

When integrated with intention and design strategy, wool felt ceases to be mere cladding and becomes an artistic element that defines the atmosphere, sensory experience, and comfort of a space. In contemporary interior design, wool felt acts as a living surface that filters sound, shapes light, and provides unique textures.

Interiorismo sostenible con fieltro de lana Textil Olius.

Offices: well-being and concentration in open spaces

In open-plan offices, the challenge is to prevent conversations, meetings, and calls from becoming collective distractions. In this context, wool felt can be used in acoustic curtains, partitions and dividers, wall coverings, meeting areas, or suspended panels above shared desks as sound absorbers.

This implementation of wool felt in open spaces reduces sound reflection on surfaces, lowers the overall perceived noise level, and helps workers reduce the fatigue associated with chaotic sound environments, thus improving productivity and focus.

Restaurants and hotels: acoustic comfort without sacrificing design

Panel acústico Clots por Sullà Studio elaborado con Feltina® de Textil Olius

In hospitality, sound is an essential component of the atmosphere. Felt, as a sound-absorbing material with high aesthetic value, provides comfort, visual warmth, and r

einforces the feeling of hospitality. In restaurants, this allows conversations to flow without intrusion, ambient music to exist without dominance, and diners to enjoy a calm environment that enhances their experience.

Applications:

  • Sculptural wall panels, hanging elements above long tables, and coverings on bar fronts to balance sound reflection.
  • As an acoustic focal point, using large textured panels in lobbies and waiting areas that act as acoustic curtains while serving as brand elements.
  • In high-ceiling rooms, vertical baffles on different planes are used to break sound columns and fragment reverberation.

Felt can be dyed in muted or saturated palettes to integrate into lighting fixtures or cover specific furniture. Thus, each element in the room can be both an aesthetic object and a sound screen.

Feutre de laine naturelle Textil Olius pour la décoration de vitrines

Commercial and retail spaces: aesthetic identity and comfort

A well-designed, optimized sound environment increases visitors’ dwell time and facilitates purchase decisions — making the store’s concept more effective. The goal is not to eliminate sound, but to optimize it.

In commercial spaces, felt helps build settings that attract consumers and encourage them to stay longer. It can be applied across various areas and surfaces to create a sound texture that promotes a calm flow of customers through different zones of a mall or department store — dining areas, hallways, checkouts, fitting rooms, and more.

Examples include:

  • Felt panels on ceilings and walls in dining zones or premium café areas to create a quiet, sophisticated atmosphere that invites lingering.
  • Ceiling and wall coverings in fitting rooms to create a more intimate sound environment and enhance the try-on experience.

Felt also acts as a differentiating element, softening the acoustic environment while elevating visual aesthetics in stores for example, in showrooms, creating a backdrop that highlights products while reducing ambient noise. It can even be used to build lightweight structures and acoustic divisions in pop-up stores.

Beyond sound: sustainability and design in balance

Talking about felt is not only talking about acoustics and sound optimization. Natural wool felt achieves harmony between the project and its environment through sustainability, quality, and the infinite versatility it offers in interior design suitable for modern, minimalist, bohemian, and elegant styles.

Wool felt is an ecological material

Wool is a natural, sustainable, and environmentally friendly option. This is why it is increasingly used as a sound-absorbing material in interior architecture, as it helps reduce the ecological footprint.

  • It is renewable. Wool is obtained from the sheep’s fleece a resource that regenerates and is available every year.
  • It is biodegradable. When buried in soil, the fiber breaks down within a few months, reaching its first stage of biodegradation after just four months.
  • It contributes to the circular economy. We give value to wool that would otherwise become waste, helping to stimulate economic activity in rural areas and promote sustainable practices.

Of course, architects and interior designers need to demand certifications that guarantee the high standards of wool felts, as well as the traceability of the material (origin of the wool, treatments, and dyes).

At Textil Olius, we hold the OEKO-TEX Standard 100 certification, which certifies that all our felts are free from harmful substances. For this reason, they are used in interior decoration and soundproofing projects that demand strict environmental compliance.

Download our catalogue of Wool Felts and Technical Felts.

Some studies related to noise

  • According to a study published in PubMed and an article from the University of Auckland, there are three main types of noise in an office: speech (conversations, phone calls, laughter), movement from human activity (keyboard sounds, doors closing, footsteps), and background noise from machines or air conditioning systems. The data show that in open-plan offices, conversation is the most annoying noise source, distracting workers and interfering with concentration and cognitive performance.
  • Other studies, such as one by the Faculty of Science and Engineering at Flinders University of Australia, conclude that increased noise levels reduce the enjoyment of food.
  • Meanwhile, research from the Department of Biomedical Engineering at the German Jordanian University found that noise in restaurants and shopping centers affects worker comfort. Studies in Italy and Portugal showed that restaurant staff suffered fatigue and irritation even when exposed to noise levels far below dangerous thresholds.
  • The success of the retail sector is closely linked to the comfort and pleasantness of the shopping environment. According to a ResearchGate study, poor acoustic comfort in the central areas of shopping malls rest zones and restaurants can cause visitor fatigue and lead them to leave earlier than planned. Moreover, even in hallways and galleries, the acoustic environment can affect shopper behavior.

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