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I have put the breathable membrane on the back of the stud on the cold side and just realised i have installed with the printed side facing in! Will this cause issues or will i get away with leaving it? Using kingspan for insulation....

I have stud walls which sit 50mm from a single brick wall, do you have to put breathable membrane on the back (cold side) if you are using kingspan insulation boards ?

Thanks, it’s a new single brick double garage ? Had no issues with any wetness or dam in the last three years ?

Thank you, I thought that may be the case, if I remove is it ok to leave it without any membrane an the cold side ?

I have fixed a full non breathable DPMembrane to the back of the stud wall on the cold side with a 50mm cavity before the brick wall, should this have been breathable? Will it pass building regs if I leave it ? I will put a full vapor barrier on the warm side but trying to understand if I...

I have fixed a full non breathable DPMembrane to the back of the stud wall on the cold side with a 50mm cavity before the brick wall, should this have been breathable? Will it pass building regs if I leave it ?