Placing tiles over existing ceramic tiles

My kitchen has floor tiles. They are stuck to the concrete floor and are impossible to remove without either damage to the concrete or the pipes that run through them. I intend to roughen the existing tiles and place new ones on top. What primer should I use and also what sort of cement?

8 Answers

Epm construction
0 Reviews
As long as the tiles are sound and grease free we would rocomend scoring the service of the tile to provide a key. Most brands of tile Addhesives offer there own range of primer to accompany there adhesive. Other than that an sbr/water mix primer would work equally as well
26th Jan 2020
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Hd5 builders ltd
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Not really a good move take off existing and have a real tile tile on tile really would look shabby
29th Jan 2020
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This will create many more issues than just removing them which can be done without any damage. Once removed level uneven areas with leveling compound, apply pva, floor tile adhesive and tile. It's not a small job but would be worse if not removed as this would raise the floor level and you would have to remove and plane any existing doors and then re hang them.
26th Jan 2020
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Tim the tiler
1 Reviews, 100% Positive
Hello, there are special primers for tiling over tiles - you do not need to roughen first. Then can just use standard floor tile adhesive, cheers Tim
31st Jan 2020
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Best thing to do is to get of any loose tiles and then use a 2 part laytex (probond FL390) and use that to cover the tiles and is also self levelling which will give you a nice smooth flat floor in order to tile on top.
9th Feb 2020
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OD Tiling Ltd
2 Reviews, 100% Positive
Make sure the surface of the existing tiles are not loose, free of mold, level and without any warping or strangely-placed tiles that might interfere with a smooth new layer.

Prime the surface with a tile on tile primer ( I recommend BAL ) and use a none slip flexible adhesive. ( BAL )

OD Tiling Ltd
24th Feb 2020
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stoneworks ltd
0 Reviews
All tiles can be removed albeit some could be extremely difficult ,but if done carefully and with sds drill with tile remover bit on they will come up ,if sub floor is left damaged ,prime area,then latex over with leveling compound ,then i would lay a anti-fracture mat (like BAL rapid Mat)its only 2mm thick and tile.
I would never recommend tiling over tile.
19th Feb 2020
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Tile adhesives are cement based. If you have a concrete subfloor all you need to use is tile adhesive. Don't splash out on polymer modified, extra flexible products. Please don't use ready mixed stuff. Buy powder adhesive and mix it on site
22nd Feb 2020
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