Rough, Porous Concrete: 150-200 sq. ft./gal. Smooth, Dense Concrete: 250-300 sq. ft./gal. NOTE: Coverage will vary depending on porosity and texture of substrate. Dry Time (@ 77°F, 50% RH) Dry-to-touch - 1 hour Light traffic and Recoat - 4 hours Heavy traffic - 72-96 hours Full cure - 7-14 days