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4 posts

Wannabe Geek

Topic # 238228 8-Jul-2018 09:25
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I'm planning a bathroom renovation, walk in wetroom housing the shower and bath.

I have a plan to tank the whole area as per normal over suitable substrate for a wetroom, but wanted to ask question about installing a thin layer of cement board on top adhered with thinset (?) like a large tile, joint it then polish a thin cement layer over the top to seal it from the water?

This style product

Sort of like moroccan tadelekt but polished cement?

Any thoughts?

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Uber Geek
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  Reply # 2051324 8-Jul-2018 10:25
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I am not a tiler but I'm in the middle of doing a job at home. Mixed floor boards and chipboard. Currently stiffening up the chipboard with extra joists as 600mm spacing not recommended for large tile.

AFAIK the tanking is the waterproof layer. A wet room will need buiding consent so the Council will need to be convinced. It could even need a LBP. I suspect that a thin cement layer will show the joint lines in the underlay. Most plastered buildings show cracking.

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