GoldPlus™ is a ready-to-use, roller-applied, latex waterproofing and anti-fracture membrane for use beneath thin set ceramic tile installations on vertical and horizontal surfaces. GoldPlus™ exceeds the requirements of ANSI A118.10 (specification for waterproofing membranes beneath thin set tile and stone) and ANSI A118.12 specification for crack isolation membranes. Use GoldPlus™ in commercial or residential applications. Apply over concrete, cement block walls, cement backer board, exterior grade plywood (interior, dry installations only), mortar beds, and poured gypsum-based underlayments. Use to prevent tile cracking caused by the shrinkage of new concrete slabs and to prevent cracks up to 1/8" from transferring through tile or stone. Use GoldPlus™ to waterproof showers, lavatories, fountains, commercial kitchens and restaurants, etc. GoldPlus™ contains Bostik’s Blockade® antimicrobial protection which helps protect against the growth of bacteria, mold and mildew and enables it to offer resistance to stains caused by mold.