Waterproofing Drywall Before Tiling

Remove the old shower tile and green board drywall.

Waterproofing drywall before tiling.

Measure each wall area calculating the width times height. This surface will be the foundation which holds your beautiful backsplash together over the years and a. Smooth the membrane with the drywall knife. 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.

Preparation is the most important step for drywall before any tile installation project. So where i last left off i had taken out the old shower tile and cut out the damaged drywall. I will refer to all the membranes as. These membranes consist of products such as custom building products redgard and laticrete s hydrobarrier and hydroban and mapei s aquadefense.

Tiles are ideal for showers bathtubs and backsplashes. 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. You protect it with a layer of water proofing material. Take a 4 inch wide strip of membrane crease it vertically down its center then press it into the wet mortar.

After the second coat is dry and the whole shower area is prepped it s time to make tile decisions before going any further. Spread mortar along the vertical wall corners with a 10 inch wide drywall knife. Repeat the previous steps to apply waterproof membrane to the remaining shower walls. You ll need a design plan before you start attaching the tile.

Determine how much tile you ll need. Most paint manufacturers make oil and latex based primers and paints designed to be waterproof and even mildew resistant. The top objective is to create a smooth and uniform surface on the drywall for the tile to be evenly placed. 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.

Waterproofing and tiling the master shower an overview 1. Regular drywall can be used as a base for tiles in a shower but only as an absolute last resort. Elastomeric or liquid waterproofing membranes are one of the most convenient methods of waterproofing shower walls before installing tile. Lumps and bumps lead to misaligned tiles.

For our shower we chose a running bond pattern. If you want to update your kitchen or bathroom walls with tiles you don t have to remove existing painted. You should be attaching the tile to cement. You don t really water proof the drywall itself.

Drywall can be primed and painted to be waterproof. 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.