Waterproofing Drywall Before Tiling

Lumps and bumps lead to misaligned tiles.

Waterproofing drywall before tiling.

Drywall can be primed and painted to be waterproof. Repeat the previous steps to apply waterproof membrane to the remaining shower walls. You don t really water proof the drywall itself. How to tile over painted drywall.

You ll need a design plan before you start attaching the tile. You protect it with a layer of water proofing material. Elastomeric or liquid waterproofing membranes are one of the most convenient methods of waterproofing shower walls before installing tile. After the second coat is dry and the whole shower area is prepped it s time to make tile decisions before going any further.

Even in the best of scenarios the tile and grout will eventually wear down leaving behind a clear route for water to seep through and soak into the drywall. These membranes consist of products such as custom building products redgard and laticrete s hydrobarrier and hydroban and mapei s aquadefense. Waterproofing and tiling the master shower an overview 1. I will refer to all the membranes as.

This surface will be the foundation which holds your beautiful backsplash together over the years and a. Measure each wall area calculating the width times height. Preparation is the most important step for drywall before any tile installation project. If you want to update your kitchen or bathroom walls with tiles you don t have to remove existing painted.

Most paint manufacturers make oil and latex based primers and paints designed to be waterproof and even mildew resistant. So where i last left off i had taken out the old shower tile and cut out the damaged drywall. You should not ever put tile directly onto drywall even the green board water resistant kind. Regular drywall can be used as a base for tiles in a shower but only as an absolute last resort.

Take a 4 inch wide strip of membrane crease it vertically down its center then press it into the wet mortar. Smooth the membrane with the drywall knife. Compare this to the common practice of tiling over drywall and you get the idea that you have a totally different shower by using a product that is meant to function in the shower. You should be attaching the tile to cement.

Determine how much tile you ll need. Tiles are ideal for showers bathtubs and backsplashes. For our shower we chose a running bond pattern. The top objective is to create a smooth and uniform surface on the drywall for the tile to be evenly placed.

Remove the old shower tile and green board drywall. The tile had been in decent shape but i d grown to hate it and i finally had the budget to get a better bathroom.