Approximately How Long Does It Take to Waterproof Bathroom Walls?


Quick Answer

It takes approximately 2 1/2 hours to waterproof bathroom walls with two coats of liquid membrane. This procedure is an important step in the preparation of bathroom or shower walls for tile installation.

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Full Answer

Liquid waterproof membrane must be applied over cement panels fastened to the wall studs. Seams between the panels require sealing with tape and mortar. When the mortar cures, the wall is ready for two coats of liquid waterproof membrane. Each coat takes between 30 and 60 minutes to dry. In addition to bathroom walls, liquid waterproof membrane is a popular option for shower benches, floors and shelves.

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