DIY Doctor

Should I seal or not?

Postby AdvicePlease » Wed Sep 03, 2008 9:11 pm

I've just bought a new house. The downstairs floors are concrete. I cant afford to put a flooring down now but I want to keep the dust down. Should I seal it to keep the dust at bay, if so what should I use? Also I have read that it may be difficult to tile if you have used a sealant on the floor. Please help!!
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Gorilla Glue heavy duty grab adhesive

Postby chris_on_tour2002 » Mon Nov 03, 2008 7:34 pm

then why not use a tiling sealant? a latex (NOT PVA) primer that you can buy from any decent tile shop will seal the floor, keep the dust at bay and will not affect your tiles.

though you will have to re-seal with the primer again prior to actually tiling as it's likely to wear away over time with foot traffic.
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Postby mdpmspitfire » Fri Nov 28, 2008 8:16 pm

you could apply a stabilising solution available from a builders merchant
or pva but water it down 4:1
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Postby chris_on_tour2002 » Sat Nov 29, 2008 5:37 pm

PVA should not be used as a sealer for tiling - if it gets wet or damp it will become live again, and fail. this will cause a failure of the tile adhesive, causing them to come loose.
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