How To Waterproof Shower Walls After Tiling

Also tile is heavy so put down blankets to protect the floors and tub from being damaged by falling pieces.

How to waterproof shower walls after tiling.

In the video you ll see that we used kerdi board on the stud walls. Sheet membranes are plastic or elastometric sheets that have to be bonded to the substrate before tile installation. I didn t mention this in the video but cement board or hardiebacker are not waterproof. Mark off the area you want to waterproof.

Begin by removing the old tile or the fiberglass shower wall. Water or moisture in your wall cavity is a very bad thing. There are two types of waterproof membranes sheet and liquid applied options. This is a dusty job so use plastic to cover your doorways wear a respirator that s rated for dust cover the floor with a drop cloth and make sure there s plenty of ventilation.

To prevent water damage you must install a waterproof membrane just below the tile bonding mortar as close to the tile as possible. Most of what i ve learned is from jaz and bud right here. Then run a strip of painter s tape along the markings you made to create an outline. There are many ways to waterproof a shower.

Clean mould off tiles and grout using bondall moss mould eliminator or bleach. This is some of what i learned regarding building waterproof shower walls with ceramic or porcelain tile. It s critical to use some type of waterproofing material behind tile. Tile ceramic or porcelain is not waterproof.

This will make it clear where the waterproofing materials are needed. I show the process of applying redgard topical membrane. I also explain why this is important and what i. Remove and patch all loose or missing tile grout.

It can cause water damage rot and mold. Rinse thoroughly with water after cleaning.