What is 1708 Fiberglass? “1708” indicates the weight of each layer. For example, the +/- 45 biaxial weave cloth is 17 oz. per square yard, & the mat backing is 8 oz. per square yard, so the total weight is 25 oz. per square yard. Flat non-crimped fiber sheet yield reduced print-thru & higher stiffness than woven fabric Ideal for repairs, tabbing, & reinforcing. Our general purpose fiberglass cloth is great for a wide variety of applications including, hand layup by brush or roller, spray on applications, marine, transportation, auto body, aerospace, general purpose laminating, FRP parts, boat, roving waterproof sealant for floor. Working with resin can be a smelly affair. Resin's chemical reaction to surfaces can smell foul just like other brands, but once it has cured, no odor can be detected. Best to keep your DIY project outdoors for a day or two, then savor the exceptional quality later on once it has dried out. Still not convinced? Here are additional reasons to help you make the right choice: ✅ Perfect for base coats ✅ Ideal for rush projects ✅ Great sealer for wood repairs ✅ A Premium product same that is used in most repair shops & manufacturers ✅ Cost-effective & better quality than other resins on the market. We have 1708 Biaxial Cloth available in various sizes. Fiberglass Biaxial Cloth is a #1708 E-glass Biaxial (+/-45 degree) Cloth with 3/4 oz mat backing held together by light stitching.