This is a one quart kit of Ramuc's UT-80 Adhesion Primer which is a two-component primer for the Tuff Coat rubberized non-skid coatings. It is a water-based epoxy primer and sealer that can be used on concrete, wood, fiberglass, and painted surfaces. UT-80 Adhesion Primer can also be applied to damp concrete surfaces. The UT-80 primer is compatible with all Tuff Coat rubberized non-skid coatings. It is used under both non-submersible and submersible Tuff Coat coatings. This primer is chemical and UV resistant.A one gallon container will cover 250 square feet. This product cannot be thinned. Stir or shake contents thoroughly to remix any settled material. UT-80 can be applied with a roller or brush. Dry time varies by temperature. UT-80 Adhesion Primer cleans up easily with soap and water.