Masterboard around wood burner

bunser · 6 Nov 2009

The plaster cracked around my wood burner, so I was going to remove the old plaster and line it with 9mm masterboard.
My question is, is masterboard a finished product that can be fitted then painted.

Thanks

chappers · 6 Nov 2009

masterboard is usually incorporated into the structure and acts as a fireproof lining but if you don't mind the look of it then just paint over it.
In non flammable paint of course

Richard C · 6 Nov 2009

Gypsum plaster is only good up to around 50 degrees C; permanent exposure to much above that & it will crack & blow, as you’ve found out

. Masterboard will work but will look a bit rough & ready as a finish, if you want a more conventional "plaster" look, use a heat resistant plaster over heat resistant screed base; http://shop.vitcas.com/vitcas-heat-resistant-plaster-16-p.asp
or you can use a sand/cement/lime render mix as a base which will work just as well.

bunser · 6 Nov 2009

Thanks for the info. A friend of mine mentioned GRG Multi board and also Fire Check.
Any feedback on these would be helpful to make my mind up.

Thanks

stureyno · 5 Oct 2011

bunser said:
Thanks for the info. A friend of mine mentioned GRG Multi board and also Fire Check.
Any feedback on these would be helpful to make my mind up.

Thanks

Richard C · 5 Oct 2011

stureyno said:
bunser said:

Thanks for the info. A friend of mine mentioned GRG Multi board and also Fire Check.
Any feedback on these would be helpful to make my mind up.

Thanks

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Richard C · 5 Oct 2011

Erm what happened ther then

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Masterboard around wood burner

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