APPLICATIONS: Want to avoid the shower project or flooring from leaking for a few decades? Using the waterproof compound/liquid with LLPT waterproof membrane reinforcement tape delivers extreme waterproofing. fiberglass waterproofing membrane is ideal to be used for custom DIY shower project, reinforcing seams on the roof, flooring setup, remodel tub, shower pan to wall, corner, niche, fix crack from leaking, tile job and other patches for waterproof to extend lifespan of projects. PRODUCTS : fiberglass waterproofing MAT, RESIN, CATALYST, COBALT, HANDGLOVES, MIXING CUP, MIXING STICK, BRUSH. HOW TO USE: 1. clean the crack or seam, make sure no crushed stone and dirt; 2.first mix cobalt with resin, then mix catalyst after mixing cobalt . brush the first layer of waterproof compound; 3. cut the size needed of this waterproofing membrane and cover it onto the liquid compound; 4. brush it again onto the waterproof membrane. ; double brush the waterproof compound after it dries can make it work much better.