hope someone can give advice, had new roof with breathable felt fitted and need to insulate 1st b4 vapour barrier etc. roof battens are 4"x2" but insulation is 4". need to make battens deeper so there would be a 2"air gap between roof and insulation. whats the best way to fit new battens... poss another 4"x2" screwed directly onto old ones or "sister" it at side??? any advice. ps i know kingspan would of been better that roll out insulation but found out after
extending depth of roof battens to take insulation
- Thread starter stevewark
- Start date
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2x2 nailed on top of trusses to give you 6" 100mm insulation with 50mm airgap vapour barrier then plasterboard to complete.
not forgeting your roof ventilation if not already installed.
not forgeting your roof ventilation if not already installed.
thanks. alastair.
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