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Discuss Waterproofing under screed? in the Tanking and Wetrooms area at TilersForums.com.
in Italy, is as in ukOk, I'm a bit confused. I've been talking to my customer about her bathrooms as she is having mostly wet rooms. She has said the waterproofing is being done under the screed. Is this normal practice abroad?
She said screed. It's so hard to get things clear talking to her through email. I just want everything right before I go over.When you say screed are you talking screed or a levelling product .
Probably off to Qatar on the 10th March
The pactice there is normally to use bitumen-based LAW (sometimes torch on, like rooing felt) and the screed is then laid to cover it up neatly before tiling. Sometime insulation is used under the screed. UFH not normal
Under-tile waterprofing is not always accepted as necessary.
12mm porcelain is probably 30kg m2 so one full tile ca.22kgm2.
No doubt you're back buttering... when trowelling your walls keep the notches parallel and running across the narrowest part of the tile, that way the air can escape easy and notches collapse.
Also use levelling clips. 1. They stop the tiles touching and chipping when you first lay them. Spacers are fiddly and fall out...
2. You get flush edges. Don't be tight, put a couple in, its a nuisance if one breaks and potentially have to pull a tile off to replace it.
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