Waterproofing Drywall Before Tiling

So where i last left off i had taken out the old shower tile and cut out the damaged drywall.

Waterproofing drywall before tiling.

Take a 4 inch wide strip of membrane crease it vertically down its center then press it into the wet mortar. You ll need a design plan before you start attaching the tile. Most paint manufacturers make oil and latex based primers and paints designed to be waterproof and even mildew resistant. 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.

These membranes consist of products such as custom building products redgard and laticrete s hydrobarrier and hydroban and mapei s aquadefense. Preparation is the most important step for drywall before any tile installation project. 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. You should not ever put tile directly onto drywall even the green board water resistant kind.

Measure each wall area calculating the width times height. Repeat the previous steps to apply waterproof membrane to the remaining shower walls. The top objective is to create a smooth and uniform surface on the drywall for the tile to be evenly placed. Determine how much tile you ll need.

Drywall can be primed and painted to be waterproof. Elastomeric or liquid waterproofing membranes are one of the most convenient methods of waterproofing shower walls before installing tile. You don t really water proof the drywall itself. Tiles are ideal for showers bathtubs and backsplashes.

You protect it with a layer of water proofing material. Spread mortar along the vertical wall corners with a 10 inch wide drywall knife. Regular drywall can be used as a base for tiles in a shower but only as an absolute last resort. After the second coat is dry and the whole shower area is prepped it s time to make tile decisions before going any further.

I will refer to all the membranes as. For our shower we chose a running bond pattern. Waterproofing and tiling the master shower an overview 1. If you want to update your kitchen or bathroom walls with tiles you don t have to remove existing painted.

The tile does add a layer of waterproofing protection but the real heart of the system is in the wedi board behind the tile. These materials can be used to make your drywalling projects in basements bathrooms and other potentially humid rooms waterproof so you don t have to spend extra money on. This surface will be the foundation which holds your beautiful backsplash together over the years and a. How to tile over painted drywall.

Remove the old shower tile and green board drywall. Smooth the membrane with the drywall knife.