How do I waterproof or tank bathrooms, showers and other wet areas* before tiling? How do I waterproof or tank bathrooms, showers and other wet areas* before tiling?

How do I waterproof or tank bathrooms, showers and other wet areas* before tiling?

*Does not include swimming pools


Wet areas should be waterproofed before tiling using ARDEX WPC to protect moisture-sensitive backgrounds behind the tiles, and also prevent moisture-ingress into adjacent rooms. Holes, gaps and joints should be waterproofed using a slump-free mix (MIX ONE) applied with a trowel, which will dry in approximately 1 hour. Overall surface waterproofing can then be achieved with two coats of a flowing/paintable mix (MIX TWO) applied with a paint roller or brush, with 30 minutes allowed between each coat. The second coat will dry in approximately 60 minutes, and can then be tiled as normal using an appropriate ARDEX Cement-Based Tile Adhesive.