Quick n dirty...can i plaster onto wood?

festive · 27 Sep 2006

Made a square roof vent in my ensuite. Do i have to line the inside of the wooden upstand with plasterboard or can i plaster straight onto it?

noseall · 27 Sep 2006

do not plaster onto wood.

wood expands and contracts, plaster don't.

yes, line it with plasterboard.

festive · 27 Sep 2006

mmm thought as much, thanks muchly.

oilman · 28 Sep 2006

noseall said:
do not plaster onto wood.

wood expands and contracts, plaster don't.

yes, line it with plasterboard.

I plastered onto plywood in the bathroom 20 years ago, Nothing has happened.

noseall · 28 Sep 2006

good for you, oilman.

jimbocam · 28 Sep 2006

You may get away with it if you paint a coat or two of waterproof PVA on the wood before plastering? The first coat seals the wood a bit and the second helps the plaster grip.

noseall · 28 Sep 2006

never ever plaster onto natural timber.

ever.

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Quick n dirty...can i plaster onto wood?

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