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Title: Selvage  
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Subject: Glossary of sewing terms, Complete garment knitting, Loom, Salish weaving, ZIP code
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The selvage of a piece of curtain fabric. Note the selvage: the self-finished edge (foreground), regular weave pattern, maker's marks and the start of the main print.
Part of a sheet of postage stamps from Australia showing selvage at the bottom.

A selvage (US English) or selvedge (British English) is a self-finished edge of fabric. The selvages keep the fabric from unraveling or fraying.[1][2] The selvages are a result of how the fabric is created. In woven fabric, selvages are the edges that run parallel to the warp (the longitudinal threads that run the entire length of the fabric), and are created by the weft thread looping back at the end of each row. In knitted fabrics, selvages are the unfinished yet structurally sound edges that were neither cast on nor bound off.[3][4] Historically, the term selvage applied only to loom woven fabric, though now can be applied to flat-knitted fabric.

The terms selvage and selvedge are a corruption of "self-edge", and have been in use since the 16th century.[5]

In printing and philately

In the print industry, selvage is the excess area of a printed or perforated sheet of any material, such as the white border area of a sheet of stamps or the wide margins of an engraving etc. The term is also widely used in philately.

In woven cloth

In textile terminology, threads that run the length of the fabric (longitudinally) are warp ends. Threads running laterally from edge to edge, that is from left side to right side of the fabric as it emerges from the loom, are weft picks. Selvages form the extreme lateral edges of the fabric and are formed during the weaving process. The weave used to construct the selvage may be the same or different from the weave of the body of the fabric cloth. Most selvages are narrow, but some may be as wide as .75 inches (19 mm). Descriptions woven into the selvage using special jacquards, colored or fancy threads may be incorporated for identification purposes. For many end-uses the selvage is discarded. Selvages are 'finished' and will not fray because the weft threads double back on themselves and are looped under and over the warp.[2]

Handwoven selvages vs. industrial selvages

There is a slight difference between the selvages in handweaving and in industry, because while industrial looms originally very closely mimicked handweaving looms, modern industrial looms are very different. A loom with a shuttle, such as most hand weaving looms, will produce a very different selvage from a loom without a shuttle, like some of the modern industrial looms. Also in industry sometimes the selvage is made thicker with a binding thread.

Selvages of fabrics formed on weaving machines with shuttles, such as hand looms, are formed by the weft turning at the end of each pick (pass of the weft thread) or every second pick. To prevent fraying, various selvage motions (or "styles") are used to bind the warp into the body of the cloth. Selvages are created to protect the fabric during weaving and subsequent processing (i.e. burnishing, dyeing and washing) but ideally should not detract from the finished cloth via ripples, contractions or waviness.[2]

In handweaving the selvage is generally the same thickness as the rest of the cloth, and the pattern may or may not continue all the way to the edge, thus the selvage may or may not be patterned. A plain weave selvage is the other option, where the last few threads on either side are woven in plain weave.

In industry the selvage may be thicker than the rest of the fabric, and is where the main weft threads are reinforced with a tight weft back binding to prevent fraying.[6] More simply, they "finish" the left and right-hand edges of fabric as it exits the loom, especially for the ubiquitous "criss-cross" simple or tabby weave, referred to in industry as taffeta weave.[7] Selvages on machine-woven fabric often have little holes along their length, through the thick part, and can also have some fringe.[8] The type or motion of selvage depends on the weaving technique or loom used. A water- or air-jet loom creates a fringed selvage that is the same weight as the rest of the cloth, as by the weft thread is drawn via a jet nozzle, which sends the weft threads through the shed with a pulse of water. The selvage is then created by a heat cutter which trims the thread at both ends close to the edge of the cloth, and then it is beaten into place. Thus it creates a firm selvage with the same thickness as the rest of the cloth.[9]

Usability of the selvage

In the decorative embellishment of garments, especially in decorative pleat or ruffles, a selvage used as a ruffle is "self-finished", that is, it does not require additional finishing work such as hem or bias tape to prevent fraying.[10]

Very often fabric near the selvage is unused and discarded, as it may have a different weave pattern, or may lack pile or prints that are present on the rest of the fabric, requiring that the selvage fabric be cut off or hidden in a hem. Since industrial loomed fabric often has selvages that are thicker than the rest of the fabric, the selvage reacts differently. It may shrink or "pucker" during laundering and cause the rest of the object made with it to pucker also.

Thicker selvages are also more difficult to sew through. Quilters especially tend to cut off the selvage right after washing the fabric and right before cutting it out and sewing it together.[1]

For garments, however, the selvage can be used as a structural component as there is no need to turn under that edge to prevent fraying if a selvage is used instead.[11] Using the selvage eliminates unnecessary work, thus the garment article can be made faster, the finished garment is less bulky and can be stitched entirely by machine.[12] This is of major benefit for the mass-produced ready-to-wear clothing of modern society, however it is less used in homemade clothes because of the tendency of the selvage to pucker.

In knitted cloth

Applying the term selvage to a hand-knitted object is still relatively new. Most books on fabric define a selvage as the edge of a woven cloth, however the term is coming into usage for hand-knitted objects. The edges of machine-knitted fabric on the other hand are rarely if ever referred to as selvages.

Selvages in knitting can either bear a special pattern worked into the first and last stitches or simply be the edge of the fabric. The two most common selvage stitches are the chain-edge selvage and the slipped-garter edge, both of which produce a nice edge. The chain-edge selvage is made by alternating rows of slipping the first stitch knitwise and knitting the last stitch, with rows of slipping the first stitch purlwise and purling the last stitch.[3][13] The slipped garter edge is made by slipping the first stitch knitwise and knitting the last in every row.[3] Other selvages include a garter stitch border one stitch wide, or a combination of the above techniques.[13]

Knitting selvages makes the fabric easier to sew together than it would be otherwise. It also makes it easier to pick up stitches later,[3][13] and is a good basis for crocheting a further decorative edge.[13][14]

See also


  1. ^ a b
  2. ^ a b c A. Richard Horrocks, Subhash Anand, Textile Institute, Handbook of technical textiles Chapter 4.3 Selvedge Construction, Woodhead Publishing: 2000, ISBN 1-85573-385-4, 559 pages: 74-75
  3. ^ a b c d
  4. ^ McCall's Sewing Book, Random House: 1968: 198, 224
  5. ^ "Selvage." The Oxford English Dictionary. 2nd ed. 1989.
  6. ^ [1]
  7. ^ Kate Heinz Watson, Textiles and Clothing American School of Home Economics, Chicago: 1907 [2]
  8. ^
  9. ^
  10. ^ Colette Wolff, The art of manipulating fabric, KP Craft: 1996ISBN 0801984963, 311 pages: pp299
  11. ^ The British Rayon and Synthetic Fibres Manual, Harlequin Press: 1954, 364 pages: pp232
  12. ^
  13. ^ a b c d
  14. ^ June Hemmons Hiatt (1988) The Principles of Knitting, Simon and Schuster, pp. 163-168. ISBN 0-671-55233-3
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