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1970s plasterboard sandwich panel-water resistance
My bathroom wall is old-style cardboard and plaster sandwich board. It's been soaked from above by a boiler leak and I wondered if the cardboard in the middle is compromised. I can't see it drying out very well and I'm concerned about mould as well as structural strength
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"Gypsum boards must be completely replaced, preferably green ones"
Answered on 9th Feb 2021 - Member since Oct 2019 -
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"Hi if in doubt change it as boards normally don’t hold well after water damage"
Answered on 8th Feb 2021 - Member since Jan 2021 -
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"I would replace it with new as water saturation is hard to dry completely and would rot and possibly smell as time goes on"
Answered on 27th Jan 2022 - Member since Jan 2022 -
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"Probably time to replace .refit and reskim as the problem will almost certainly get worse in time"
Answered on 27th Jul 2022 - Member since Jun 2022 -
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