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    Do I need to use moisture resistant plasterboard on ceiling when wet plastering on top?

    Plasterers

    As per title: Do I need to use moisture resistant plasterboard on ceiling when wet plastering on top in bathroom?

    Vaulted ceiling has Insulation backed plasterboard that is not moisture resistant. It's all going to be skimmed in the near future.

    If it's going to be skimmed over, do I need to get someone to overboard it in green plasterboard before it's skimmed or not?

    Thanks guys!

    Asked by Lance on 11th Apr 2021
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    Best Answer

    Fastplast

    "No, no moisture board. However pva diluted 3/4 part with water allow to stand 20 mins before plastering"

    Answered on 29th Jun 2021 - Member since Oct 2019 - report
    Mackenzie Plastering

    "Do not PVA the Plasterboard. Since when did we start putting PVA on Plasterboard?
    I would just MR Board it and re-plaster to make sure."

    Answered on 26th Jul 2021 - Member since Mar 2019 - report
    Tonez1plaster/rend/decor

    "Blue grit it plaster skim 1/2days after paint skim with moisture paint"

    Answered on 2nd May 2021 - Member since May 2021 - report
    Centro

    "You don't need it for the ceiling but if you are doing it on the walls, where more moisture is. then you may as well do the ceiling too. It's only a few pounds extra material-wise"

    Answered on 12th Apr 2021 - Member since Dec 2018 - report
    Topset plastering, rendering & drylining

    "It is a standard specification to use green moisture boards on bathroom ceilings these days.
    You can get away without using green boards if the ceiling is being plaster skimmed but if it's been taped and jointed with filler than a vapour primer / sealer will subsequently help"

    Answered on 3rd May 2021 - Member since Feb 2021 - report

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