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Wetroom floor, hardi backer already down, needs levelling, uncoupling membrane?
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[QUOTE="Old Mod, post: 860132"] You should always uncouple stone imo, esp marble because of the fissures in the stone. If the floor is flat and tileable with just the hardie, You could latex only where necessary, and forget the tanking to the floor and use properly taped Ditra as a waterproof membrane and run it 100mm up the wall to provide a waterproof skirting too. So you have a completely waterproof floor and your stone will be uncoupled. Obviously the walls will still need tanking. If you tape Ditra to make it waterproof, you're required to use Schlüter's Kerdi Coll adhesive. [/QUOTE]
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Wetroom floor, hardi backer already down, needs levelling, uncoupling membrane?
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