10 Best Fiberglass Raw Materials 2025

When it comes to fiberglass raw materials, the options seem endless. We've reviewed and scored many products in the laminates and composites subcategory, and we found products ranging from a 7 score up to a 9.7 score. But the top-rated item by far is the 1.5 Oz. Fiberglass Chopped Strand Mat from Griffco Products. Ideal for hand layup, vacuum bagging or molding composites with epoxy, polyester or vinyl ester resins, this mat is not only easy to work with but also produces impressive results. With 3 yards by 50 inches wide of high-quality fiberglass, this product will give your project the strength and durability it needs. Don't settle for less, choose the best with Griffco Products.