Is Redguard On Tile Walls Necessary

Using redgard under floor and wall tile will create a barrier that will be undisturbed after the tile is installed and grouted.

Is redguard on tile walls necessary.

The end result should be a bathtub surround that is red in color. These membranes consist of products such as custom building products redgard and laticrete s hydrobarrier and hydroban and mapei s aquadefense. Meaning the tile was well bonded to the redgard by the thinset and the redgard was bonded to the wonderboard well enough that i had to patch the cbu rewaterproof before installing the new tile. It is great for someone who s popped off the contractor tiles on the shower and everything is intact and solid.

This means redgard will expand and contract ever so slightly to prevent cracks from forming in the shower tile. You can red guard that 2x to get a waterproof sub for tiles. As i started to chip the tile out it pulled wonderboard off the wall. Elastomeric or liquid waterproofing membranes are one of the most convenient methods of waterproofing shower walls before installing tile.

Install the tile work onto the membrane but do not bridge the joint. The bathtub walls are now completely waterproof and the redgard also serves as a crack isolation membrane. I had to replace a tile that broke when the glass door guy tried to drill through it. Apply a minimum 3 64 1 2 mm of redgard over the joint and the substrate following the instructions provided previously.

Or if your shower has denshield or green board drywall or equivalent that isn t waterproof redguard will seal coat it and ready it for tiles. Water damage prevention is active from both sides of the redgard membrane.