From heavy, non-sag formulas that are perfect for fixing holes, tears, cracks and rust-outs, to fiberglass mat and cloth for custom creations, USC® fiberglass products are versatile and hardworking. Use them on a variety of surfaces for marine, automotive, industrial, recreational and household repairs.
Description Thicker viscosity for less running and sagging! Expect improved wetting and fast curing. It's also tack-free, waterproof and impact resistant.
Suggested Use(s) Rebuild and repair cracks, holes, splits, tears and other damage in fiberglass; ideal for custom molding. Can be used on fiberglass, metal, wood, gel-coated polyester and epoxy. Top with primer surfacer.
Mix Ratio 14 drops of supplied liquid hardener to 1 oz. of Fiberglass Resin.