In my bathroom that I am building from scratch I have a standard bathtub in place that I am going to surround with tile. The length of the room is around 7 feet and the tub is 5 feet long so I had to build a wall basically on all 3 sides. I used cement board on those 3 walls. Now my question is where the greenboard and the cement board will meet on the back wall is at the outside corner. What is the proper procedure on making this corner right. I am going to be putting a tile boarder piece right up to the corner then the opposite corner will just be regular wall. Would it be right to use a metal or plastic 90 degree corner bead and attach it to the cement board and also to the greenboard? I was thinking that would be the best solution but I am not reallly sure. Any help would be appreciated.
Thanks
It depends on where you live. In some areas regular drywall is still accepted.
It's code in Arkansas - I've used it but I haven't placed it within 3 feet of the shower, not intentionally - the design plan just worked out that way.
Is Redgard one of if not the best durock waterproofer before I put the tiles in place? I've heard it is so I plan on using it unless I hear otherwise. Thanks
It is a common one, but not the best. Two issues. One it must be applied perfectly with at least two coats with adequate drying between them. Two: if water does penetrate and it does the grout this product is latex based and will re-emulizify. (Test it.... pour some out, wait a month and place in a glass of water... back to a liquid it will go)
The best method IMHO is to use sheet waterproofing membranes like Kerdi or those from Noble.
greenboard has been replaced several years okay. Some home centers still sell it due to overstocking, but many areas will not allow it by code. Use mold resistant drywall (denshield) in bathrooms and CBU in wet areas like a shower.
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