Homer92 Posted March 9, 2020 Share Posted March 9, 2020 Quick query - I will have 100mm PIR board between sloping rafters and 50mm below, then in the voids 200mm rockwool between joists and 200mm above. Do I insulate between the vertical timbers? With the same as rafters 100mm and 50mm PIR, or does it not require insulation at all? Thanks Link to comment Share on other sites More sharing options...
A_L Posted March 9, 2020 Share Posted March 9, 2020 18 minutes ago, Homer92 said: Do I insulate between the vertical timbers? If there is a path from a heated area through the vertical timbers to the cold outside without passing through insulation then yes, otherwise no Link to comment Share on other sites More sharing options...
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