Buzz Posted March 13, 2021 Share Posted March 13, 2021 Reading another thread here today about fabric first i thought i would ask opinions on the most cost effective way of insulating my roof . It is a bit of a monster at 360m2 , i will have 225 deep rafters at 600 centre's attic trusses, i know the simplest way would be to 150mm pir between and 50 underneath but with the cost coming in at 8-9k for the board then fitting any other inventive / cost effective way to get to 0.14 for less ? Link to comment Share on other sites More sharing options...
Oz07 Posted March 13, 2021 Share Posted March 13, 2021 Earthworm the frame fit stuff Link to comment Share on other sites More sharing options...
Russell griffiths Posted March 14, 2021 Share Posted March 14, 2021 (edited) I’ve got 200mm of knauf omni fit in between my rafters and 70mm pir under for 0.14 far easier to fit than cutting all that pir. Edited March 14, 2021 by Russell griffiths 1 Link to comment Share on other sites More sharing options...
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