b'Waterproof, Period!Crack Suppression MembranePerfect solution for bathrooms, kitchens, exterior decks - areas where waterproong and crack suppression are needed!( 8 0 0 ) 6 3 3 - 4 6 2 2(available in 1 or 5 gallon sizes) w w w . n a c p r o d u c t s . c o m'