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Where to position insulation for plasterboard in loft

Postby JustinHavens » Mon Jan 23, 2023 1:09 pm

I want to put plasterboard walls in my attic but they will be about 40 cm in from the external walls. Should I put the glass wool insulation against the wall and have a gap between the insulation and the plasterboard or should the insulation be against the plasterboard and have a gap between the insulation and the external wall?
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Postby stoneyboy » Wed Jan 25, 2023 10:53 pm

Hi Justin havens,
It should be the latter with the air gap next to the external wall.
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