M mcw1965 Joined 16 Dec 2023 Messages 1 Reaction score 0 Country 22 Dec 2023 #1 Hi all What would be the best way of insulating this sloping part in my attic, timbers are only 100mm deep I know about keeping 50mm air gap. If I was to use pir boards would I Need a vapor barrier Attachments 20231222_205258.jpg 257.8 KB · Views: 41
Hi all What would be the best way of insulating this sloping part in my attic, timbers are only 100mm deep I know about keeping 50mm air gap. If I was to use pir boards would I Need a vapor barrier
