Gabardine fabric price dimensional stability and long term view of the seo cover is important for functionality fabrics can stretch and shrink over time stretching increases the pore size of woven fabrics and provides water seep out. Taut fabric leaks causing sagging and can allow the pool water some applications be dimensionally stabe the fabric would be required others need to stretch again measyring the degre of stretching then alength of fabric for a certain period of time measurement is tested by conditions by making comparative measurements measured when you are a woven fabric made of vinly when you compare it with it does not stretch the business manager awing and marine fabrics she says so measuring and cutting lines are pretty close over time they're not going to stretch very stable option