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Waterproofing WR Board

Looking to install SEMCO Liquid Membrane waterproofing over WR Board? Below are all the products that are required for substrate preparation and application. When installing our liquid waterproofing membrane over sheeting it's recommended to follow PREP A (Stone Soap).

Fabric Reinforcement is recommended on any substrate that has seams or joints. On substrates that consist of different elements/boards, the weak point are the seams where most of the movement can occur.

View Installation Instructions here.