For the British alternative rock band, see Felt (band).

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A selection of 4 different felt cloths

Kazakh felt yurt

Samples of felt in different colors

A model of a Steinway grand piano key

A felt hat

Wool Felt Sheets

Felt is a non-woven cloth that is produced by matting, condensing and pressing woollen fibres. While some types of felt are very soft, some are tough enough to form construction materials. Felt can be of any colour, and made into any shape or size.

Many cultures have legends as to the origins of feltmaking. Sumerian legend claims that the secret of feltmaking was discovered by Urnamman of Lagash. The story of Saint Clement and Saint Christopher relates that while fleeing from persecution, the men packed their sandals with wool to prevent blisters. At the end of their journey, the movement and sweat had turned the wool into felt socks.

Feltmaking is still practised by nomadic peoples (Altaic people) in Central Asia and northern parts of East Asia (Mongols), where rugs, tents and clothing are regularly made. Some of these are traditional items, such as the classic yurt (Gers), while others are designed for the tourist market, such as decorated slippers. In the Western world, felt is widely used as a medium for expression in textile art as well as design, where it has significance as an ecological textile.

Construction [link]

Wet felting [link]

Felt is made by a process called wet felting where the natural wool fibres, stimulated by friction and lubricated by moisture (usually soapy water), move at a 90 degree angle towards the friction source and then away again, in effect making little "tacking" stitches. While at any given moment only 5% of the fibres are active, the process is continual, so different 'sets' of fibres become activated and then deactivated, thereby building up the cloth.

This "wet" process takes advantage of the inherent nature of wool and other animal hairs. The hairs are made up of unidirectional scales, and they are also naturally kinked. It is this combination which reacts to the friction of the felting process, forcing the scales on the hairs to lock together and thus causing the phenomenon of felting. It tends to work well with wool fibres because their scales, when aggravated, readily bond together.

It is also possible to produce artificial felts. If made using the wet method, an artificial felt will contain a minimum of 30% wool fibres with the rest being artificial fibres. This is the minimum composition necessary to hold a fabric together with the fibres alone; it would be difficult to form a stable fabric by hand below this ratio. Wholly artificial felts are actually needle-felts (see below).

An alternative felting process involves a steam roller rolling over the unwoven fibres in a shallow pool of water with the cloth rotating as the steam roller passes over it. This method is widely used in small towns in India where mass manufacturing of clothing is performed.

Needle Felt [link]

Needle felting is a popular fibre arts craft conducted without the use of water. Special barbed felting needles that are used in industrial felting machines are used by the artist as a sculpting tool. Using a single needle or a small group of needles (2-5) in a hand-held tool, these needles are used to sculpt the wool fibre. The barbs catch the scales on the fibre and push them through the layers of wool, tangling them and binding them together, much like the wet felting process. Fine details can be achieved using this technique, and it is popular for 2D and 3D felted work.

Carroting [link]

From the mid-17th to the mid-20th centuries, a process called "carroting" was used in the manufacture of good quality felt for making men's hats. Beaver, rabbit or hare skins were treated with a dilute solution of the mercury compound mercuric nitrate. The skins were dried in an oven where the thin fur at the sides turned orange --- the color of carrots. Pelts were stretched over a bar in a cutting machine and the skin sliced off in thin shreds, the fleece coming away entirely. The fur was blown onto a cone-shaped colander, treated with hot water to consolidate it, the cone peeled off and passed through wet rollers to cause the fur to felt. These 'hoods' were then dyed and blocked to make hats. This toxic solution and the vapours it produced resulted in widespread cases of mercury poisoning among hatters, possibly giving rise to the expression "Mad as a hatter".

Uses [link]

Felt is used everywhere from the automotive industry, to musical instruments and home construction. It is often used as a damper. In the automotive industry, for example, it damps the vibrations between interior panels and also stops dirt entering into some ball/cup joints. Felt is used on the underside of a car bra to protect the body.

Many musical instruments use felt. On drum cymbal stands, it protects the cymbal from cracking and ensures a clean sound. It is used to wrap bass drum and timpani mallets. Felt is used extensively in pianos; for example, piano hammers are made of wool felt around a wooden core. The density and springiness of the felt is a major part of what creates a piano's tone. As the felt becomes grooved and "packed" with use and age, the tone suffers. Felt is placed under the piano keys on accordions to control touch and key noise; it is also used on the pallets to silence notes not sounded by preventing air flow. Though the ukulele is most commonly plucked, the pick, or plectrum, is made of felt.

A felt-covered board can be used in storytelling to small children. Small felt cutouts or figures of animals, people, or other objects will adhere to a felt board, and in the process of telling the story, the storyteller also acts it out on the board with the animals or people. Puppets can also be made with felt.

German artist Josef Beuys used felt in a number of works.

In the early part of the 20th century, felt hats, such as fedoras, trilbies and homburgs, were worn by many men in the western world.

See also [link]

• Bowler hat
• Fuzzy felt
• Nuno felting
• Roofing felt
• Valenki

External links [link]

Wikimedia Commons has media related to: Felt

• Wtifelt.com, What is felt, felt history, how felt is made

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