Waterproofing & Crack Prevention Membrane, New Quick Dry Formula, Ready To Use, Elastromeric, Waterproofing & Anti-Fracture Membrane, Easily Applied With Roller, Trowel Or Sprayer, Meets ANSI A118.10 & A118.12 Meets IAPMO/Uniform Plumbing Code Specifications For Use As A Shower Pan Liner. 3.5 gallon Waterproofing & crack prevention membrane New quick dry formula, ready to use, elastromeric, waterproofing & anti-fracture membrane Easily applied with roller, trowel or sprayer Meets ansi a118.10 & a118.12 meets iapmo/uniform plumbing code specifications for use as a shower pan liner Protected by moldgard technology, pail.