Evercoat Fiberglass Resin is a heavy, thixotropic formula that will not run or sag and will cure to a non-tacky surface. Wets out mat and cloth quickly. Evercoat Fiberglass Resin can be filed, sanded or drilled. Impact resistant. Waterproof. Fibre Glass Evercoat Resin can be used with fiberglass mat, cloth or tape to rebuild and repair. Liquid hardener included.