FLEX-PATCH® is a water-based, ready-to-use patching compound available in both knife (texture) and butter (smooth) grades. It is applied to a maximum of 1/32".FLEX-PATCH® Patching CompoundBRAND FLEX-PATCH® INDUSTRY Commercial Residential RESOURCES/DATA SHEETS Spec Guide: Brochure: Technical Data Sheet: PDF Safety Data Sheet: PDF FEATURES 100% Acrylic Water-Based Smooth (Butter) or Textured (Knife) Internally Plasticized BENEFITS Repair Surfaces Rapidly Coat 24 to 48 Hours After Repairs Made Matches Existing Texture RECOMMENDED OVER Cement Fiber Board Cement Plaster Concrete CMUs Stucco Wooden Surfaces