Do I need a waterproof membrane?

Question

I am looking to get a tiler to repair my shower which has been leaking through the grouting.  If I get the whole shower retiled, would it be a good idea to get a waterprooof membrane?

Scott · Accepted Answer

If the tiles are on plasterboard then I recommend re boarding it with wedi board and tank the joints with mapai waterproofing kit.

If you want to boarding it with plasterboard then you tank the joints the same way as wedi but you also tank the face of the boards too as they’re are not waterproof.

Jason · Answer

Yes a must for a waterproof membrane for a wet room and a shower area is a piece of mind if you have a shower tray 
Hope this helps. 
Jason.

Lee · Answer

If your going to be removing the tiles ,check and make sure the plaster board are green aqua boards,then use a mapei tanking kit before you retile, and if you want to go.a little further then mapei do a kerapoxy epoxy tile grout it's more.expensie but it's non porous and resists mould  and mildew growth.i hope this helps you some good juck

Abdulkadir · Answer

Yes , definitely if you get it tiled with good grout it will prevent any leaking 
But you need to make sure there is no leak from the plumbing

Ty · Answer

A membrane can be used but can be awkward for walls, a liquid tanking that can be applied by roller is easier to install.

Dragos · Answer

Hi David, it's a wet area so yes definitely. I recommend Mapei or Ardex. Schlutter is best, but too expensive. 
More importantly before you start, be 100% sure you've identified the leak cause.

Do I need a waterproof membrane?

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