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Am installing 37mm insulated PIR board via dot and dab.
Around door and window reveals, i was going to use standard 12.5mm plasterboard instead of 37.5mm board- would this defeat the whole point of insulating the wall, or would it be ok?
Around door and window reveals, i was going to use standard 12.5mm plasterboard instead of 37.5mm board- would this defeat the whole point of insulating the wall, or would it be ok?