Browse Forums Building A New House Re: Wall and Ceiling insulation upgrade 6Jul 21, 2020 11:58 am I think 4 to 6 there is still a decent amount of gain but beyond that there is no need. Most high performing non-passivehaus (still reasonably affordable) houses I've seen are spec'd at R6 in the ceiling. But yeah, depends on a lot of things. Found the answer. The recommended distance is .... 1 5988 Hi all, Just wondering if anyone had suggestions on installing/replacing wall insulation on an external wall which doesn't have wrap, our miners cottage being constructed… 0 4955 1 19742 |