Why is there condensation behind my vapor barrier?

J

Why is there condensation behind my vapor barrier?

John Young Oct. 11, 2021

Hello I'm turning the loft over my work shop into an apartment and insulating the walls and roof with Rockwool insulation with a plastic vapor barrier and then drywall today while putting up drywall noticed that the vapor barrier is covered with condensation how do I stop the condensation. Have put a halt to this project until I can solve this problem

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