The following steps will show you How to Waterproof a Basement with SANI-TRED®. Products Needed: PermaFlex®, LRB (Liquid Rubber Base) and TAV (Thickening Activator) Step 1 “Prepare” the substrate (surface). Step 2 “Prime” the substrate (surface). Step 3 “Patch” and profile any joints, seams, cracks, holes and rough areas using LRB/TAV mixture. Step 4 “Topcoat”: Apply 1 coat of PermaFlex® (240 sq ft per gal). Full instruction at http://sanitred.com/basement-waterpro...