Ian's Question
i have recently put up gyproc coving in my house, and want to paint it. can i just emulsion it, or do i seal it first with PVA, or with watered down emulsion. either one or both or do you have any ideas. please help. thank you.
ANSWER
Gyproc is a brand name but all it is a sandwich of plaster between two sheets of very heavy paper. Plasterboard is made in exactly the same way. It will need some prep and then apply a mist coat, that is a coat of thinned down emulsion, to allow the first coat to penetrate and satisfy the porosity of the surface. The normal paint system will then follow.
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