This Fiberglass repair kit includes: 1 Gallon of Polyester Resin 2-ounce bottle of MEKP hardener Fiberglass Mat (.75 oz x 38" Wide x10 Yards) Not your ordinary boatyard resin, this polyester fiberglass laminating resin is 100% Waterproof, Strong, Durable making it the highest grade product on the market. Use this adhesive resin for sealing cracks, repairing breaks or filling holes in fiberglass, wood, concrete or metal without any hassle. Compatible with all paints including gel coat and marine paint. This polyester laminating resin is perfect for low-cost repairs, new construction parts, and vertical surfaces. Keep in mind that once the transparent resin dries, it changes color, turning into brownish color. It is used for boat building as well as for the casting of bumpers or gutters. True Composites Polyester Resin is excellent for sealing swimming pool, bathtub or garden pond, but also for the construction of various exterior weather-resistant outdoor objects. Repair projects can include car bumper, trucks, pools, showers, boats and more. Recommended Applications: ✔Sink, bath tub, & shower rebuilds ✔Repairing hot tubs and pools ✔Sealing concrete or wood ✔Resurfacing boats & waterproofing ✔Rust outs in metal ✔Large holes, cracks & leak Tips to keep in Mind ✔Make sure that your project is protected from direct UV radiation during the curing process (ideally in garage), as this can have a negative effect on its structure. ✔Fiberglass Repair Kit 1 Gallon Polyester Resin and 1.5oz x50" Wide x10 Yard Fiberglass ✔Check our store for various sizes and combinations of Polyester Resin and Fiberglass Chopped Strand Mat.