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GoBoard Tile Backer Board
GoBoard® is a waterproof, ultra-lightweight tile backer board from Johns Manville. Made from Polyiso foam and engineered for durability, it is also up to 80% lighter than cement boards. It's easy to handle, cut, and install - ideal for both pros and DIYers to complete the tile project faster with same-day tile. The reduction in installation time is because waterproofing is built-in, eliminating extra steps since only board joints and fastener locations need to be sealed.