PVA plyboard before laying vinyl floor?


23 Sep 2006
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United Kingdom
I've just laid some 6mm ply on my bathroom floor ready for either adhesive tiles a or vinyl floor. Should I seal the plyboard before laying the floor (maybe with PVA, varnish, paint)? Would sealing the floor help the tiles stick?

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i'm not 100% sure on this one as i've not done this type of floor.

PVA is a good sealer and i use it on kitchen fitting to protect open chipboard from water ingress.

I also know that some types of PVA re dissolve when a subsequent coating is applied (eg i don't apply it to say plasterboard before tiling).

i guess the adhesive for the tiles if waterproof will do the sealing for u in which case PVA is not needed. if the adhesive is not waterproof then maybe PVA would be a good idea. i would try an area 1st to be sure.

if it's a vinyl floor then i think it would be worth sealing around the edges say 300mm to protect the wood.

i don't feel paint or varnish would be the right thing.

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