Rexoseal Clear Roof Shingle Coating is a highly flexible epoxy-urethane transparent coating. Rexoseal Clear has excellent adhesion and superior UV and mildew resistance that prevents the degradation of underlying substrates or coatings. Rexoseal Clear is designed to penetrate and protect roof shingles. Rexoseal Clear 1 Gallon covers from 160 sqft. to 320 sqft. Less coverage on porous substrates such as roof shingles.