Discuss What tile adhesive to go for? in the Adhesive and Grout area at TilersForums. The USA and UK Tiling Forum (Also now Aus, Canada, ROI, and more)
Hi, been looking all day and no closer to finding a suitable adhesive.
It's for bathroom walls, tiling on top of the current glazed tiles on 3 out of the 4 walls. 4th wall tiles have pretty much fallen off so am pulling the others off.
Tiles are 600x300mm and each tile weighs 3.95kgs!
Can't find anything which ticks all three of those boxes. Closest I've found is an evo-stik pre mixed adhesive. Says suitable for on top of tiles and 600x300 but only up to 3.5kgs.
Nothing else seems to come close.
Explores cement based ones but wondering if too difficult for my limited abilities using one of these with shorter pot lifes etc .
It’s not wise to stick those tiles over the old tiles As it will be far too heavy for the wall, and if some have already fallen off I guess there not stuck all that well. Take them all off
Thanks for the reply. Think the reason they've come off the one wall is it's the external wall and in the past damp got in and they came off wall. This is why previous homeowner used pvc cladding over tiles. The house has been externally clad since so no longer gets damp.
I wouldn't dream of tiling on tiles with 30x60 porcs. You will most likely exceed the permitted weight limits and the walls sound in poor condition. And using a pre mixed adhesive in your circumstances is a massive no no. I take it that the walls are plastered?
Yes plastered some years ago. What is my best bet then? Cost wise mainly but ease too?
Take tiles back and get smaller/lighter ones and continue with plan or keep tiles and knock the whole lot off and tile over the walls? Or get it remastered soon. Was hoping wouldn't have to get it plastered. And the Mrs friend in work said this way was feasible, knew the guy was full of it when he did a job for us before which was terrible!
Ignoring all other aspects of the proposed job, you need a cement based powdered adhesive you mix with water. Mapei Adesilex P would be my choice. Its not dear and has a long pot life. The rest of the job is full of ifs buts and maybes. I wouldn't bother to re-plaster. You're paying for another trade and a finish you're going to cover up. Your best bet might be to overboard all the walls with plasterboard, tank as required then crack on with your 60 x 30's.
Will I need a trowel to apply the adhesive? Only tiling I've done before is the kitchen wirh much smaller tiles and a premixed adesive and did that with a plastic notched thing... lol
I would recommend knocking all old tiles off, reboard with plasterboard and use a cement board in wet area/shower.
Doing this will give you a nice flat surface for you to start off.
As said in other posts use a cement based (powder) adhesive and mix with a paddle mixer in a flexi tub and make sure you follow mixing guides on the bag.
As with trowel size 10mm should be good as if you re board you will have a nice flat surface so you won’t have to pack out any tiles.
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