Discuss Tanking/waterproofing in the Tanking and Wetrooms Forum area at TilersForums.com

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After a bit of advice regarding substrates and waterproofing

Current bathroom structure is:
Floor
2x8 joist, braced with noggins
25mm WBP plywood
Walls
3 are of stone rendered & plaster skimmed
1 is plasterboard, skimmed

Bath area is to have an overbath shower fitted
And the bath will be surrounded by the solid construction walls which are plastered

I intend to tank these walls, and so I'm looking for advice regarding products that are suitable for this
And is it worth taking below the bath line to the floor and to the ceiling, extending 500mm past the edge of the bath?

Is there anything recommend that should be applied to the ply floor before tiling?

As it stands my intention is to use durabase installed onto the ply, and tile onto the matt

Advice is greatly appreciated as I would of course prefer to only do this once haha

Thanks all
 
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3_fall

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Before advising you on wall tanking, we would need to know your choice of intended wall Covering, i.e. ceramic or porcelain?
 
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Thanks for the response

My apologies
The intended tiles are ceramic.
600x300
Same tile for floor and wall.

Thanks again
 

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If you’re sure they’re ceramic, then Ardex WPC will be suitable product, I tend to recommend it because it’s easy to see when you’ve achieved full coverage.
If you’re tiling down on top of an already fitted bath, then just below bath height will be fine.
Tanking just beyond the wet area is generally far enough, but of course you can go as far as you like.
 
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That's great, I was looking at the ardex wpc so I'll go ahead and order that then.

I see that includes scrim tape
Is that to be used in internal corners
Or do i need an additional corner tape to create a seal?

Edit :
I've seen a video demonstration
Answered my question above

Many Thanks again
No doubt I'll be quite a regular on here while we refurb this room.
 

3_fall

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No doubt I'll be quite a regular on here while we refurb this room.
Anytime, that’s why we’re here, but you can only join the club if you post progress images. 😉
 

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