Style 501 is very close to style 1543 fiberglass fabric that is an 8.6 oz 4 harness satin weave. We have a bunch in 38" that's finished in the Silane F43 finish for Polyester and Vinyl Ester Resin and some style 501 38" finished in the clear F81 finish that's good for any resin. We have some 501 in 51" finished in the F43 finish. If you're interested in this cloth we can make you a real deal. Below is a list of rolls:
Style 501 - 38" with the F43 Vinyl Ester or Polyester finish: 23, 30, 125, 252, 361, 375 and 426 yards.
Style 501 - 38" with the F81 clear silane for any resin: 473, 486 and 500 yards
Style 501 - 51" with the F43 silane for Vinyl Ester or Polyester resin finish: 155, 171, 265, 278, 284, 397, 398, 544 and 560 yards.