Is Redguard On Tile Walls Necessary

I had to replace a tile that broke when the glass door guy tried to drill through it.
Is redguard on tile walls necessary. You can red guard that 2x to get a waterproof sub for tiles. Water damage prevention is active from both sides of the redgard membrane. Using redgard under floor and wall tile will create a barrier that will be undisturbed after the tile is installed and grouted. Install the tile work onto the membrane but do not bridge the joint.
The end result should be a bathtub surround that is red in color. As i started to chip the tile out it pulled wonderboard off the wall. This means redgard will expand and contract ever so slightly to prevent cracks from forming in the shower tile. The bathtub walls are now completely waterproof and the redgard also serves as a crack isolation membrane.
These membranes consist of products such as custom building products redgard and laticrete s hydrobarrier and hydroban and mapei s aquadefense. Installing redgard on shower walls for tile. 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. It is great for someone who s popped off the contractor tiles on the shower and everything is intact and solid.
Apply a minimum 3 64 1 2 mm of redgard over the joint and the substrate following the instructions provided previously. After the tile work is properly set follow the architect s and manufacturer s instructions to fill the joint with a specified color sealant.