PRIMING a screeded floor for TILES
Discussion
Hi all,
We have had 70 sqm of Belitex top floor screed C layed.
http://www.tarmac.com/solutions/readymix/topflow-s...
This screed has sufficiently dried and cured - it is ready for tiles.
The dilemna is now how to seal the floor, if at all, before the tiles are layed with flexible adhesive. The entire floor is underfloor heated and we are using porcelain tiles, however does the screed need a coat of PVA first?
Researching the internet, speaking to the concrete people and asking a chemical company has had differing opinions. Shall I use PVA, SBR or none before tiling?
We have had 70 sqm of Belitex top floor screed C layed.
http://www.tarmac.com/solutions/readymix/topflow-s...
This screed has sufficiently dried and cured - it is ready for tiles.
The dilemna is now how to seal the floor, if at all, before the tiles are layed with flexible adhesive. The entire floor is underfloor heated and we are using porcelain tiles, however does the screed need a coat of PVA first?
Researching the internet, speaking to the concrete people and asking a chemical company has had differing opinions. Shall I use PVA, SBR or none before tiling?
The opinion of the chemical company is that nothing should be done, except for a damn good clean.
The reason behind the primer is to seal the dust that could ask as a layer to stop adhesion to the screed. However this screed is solid and doesn't seem to wear, so I am tempted by this idea.
The reason behind the primer is to seal the dust that could ask as a layer to stop adhesion to the screed. However this screed is solid and doesn't seem to wear, so I am tempted by this idea.
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