TextileGlossary.com

What is "Seam Allowance" - Definition & Explanation

The amount of fabric extending beyond a seam and not visible once the seam is sewn.
Narrow width between the seam line and the raw edge of the fabric. Seam allowances vary depending on where they occur on the garment and the manufacturers' specifications. Home sewing patterns generally have a 5/8" seam allowance except at hems. Commercial patterns generally use 1/4" to1/2" except at hems.
The width of fabric between the sewn seam and the cut edge. Traditionally 1/4 inch.

Some other terms

Some more terms:

A heavy, soft cotton material with a napped finish, usually only on one side. In cheaper qualities the nap comes off. Launders well, easy to manipulate and is warm to wear. There are many types on...
A method of layout to determine a right angle (square corner) in frames, fabric, construction, etc. It derives from the fact that a triangle with sides of 3-4-5 will have a right angle. The legs will...
A cotton, wool, and even synthetic fabric of a sateen or twill construction with extra fillings for long floats. Thankfully, it does not resemble true chinchilla fur. It has small nubs on the surface...
Desirable changes in wood that provide interesting patterns at the surface. Examples are: flame, crotch (curl, Brit.), burl (burr, Brit.) , curly (tiger stripe, fiddle, fiddleback) and birdseye....
Head coverings during the 16th century ranged from the simple to the complex. The simplest, which was worn throughout the 16th century and well into the 17th, was the "coif". The coif is, quite...

Companies for Seam Allowance:


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