General: All surfaces must be clean, dry, and free of dirt, grease, oil, or other contaminants.
Bare concrete: Allow 60 days minimum for new concrete to cure before painting. Clean and etch new or bare concrete with Fast Prep™ Cleaner, Degreaser & Etcher. Follow all Fast Prep label instructions, including testing porosity of concrete.
Previously painted or stained concrete: Clean with an all-purpose cleaner (TSP or substitute) and remove gloss from shiny surfaces by sanding or using a chemical deglosser. Previously painted concrete may be repainted only if it has excellent adhesion to the floor. Test adhesion by pressing heavy-duty tape (i.e., duct tape) at various places on the painted surface. Pull the tape quickly from the surface. If the previous paint is removed by the tape, the paint must be fully removed before using this product. Allow floor to dry completely, at least 4 hours or overnight.