gc100 Posted February 5, 2020 Share Posted February 5, 2020 Due to certain restrictions on my build it looks currently that I have 150mm of PIR insulation in my zinc vaulted roof. Does anyone have any idea how much Optim-R costs and where its worth the extra cost? Also does it retain its uValue over say 10/20 years? Anyone know much about this? Thanks! Link to comment Share on other sites More sharing options...
Pocster Posted February 5, 2020 Share Posted February 5, 2020 I think from memory ( need to check ) I used http://www.vacuum-panels.co.uk Link to comment Share on other sites More sharing options...
dimpsy Posted February 5, 2020 Share Posted February 5, 2020 Kingspan also do this, perfect for a zinc roof, no idea of price though https://www.kingspan.com/gb/en-gb/products/insulated-panel-systems/roof-panel-systems/quadcore-roofliner Link to comment Share on other sites More sharing options...
kxi Posted February 6, 2020 Share Posted February 6, 2020 4 hours ago, dimpsy said: Kingspan also do this, perfect for a zinc roof, no idea of price though https://www.kingspan.com/gb/en-gb/products/insulated-panel-systems/roof-panel-systems/quadcore-roofliner Last year kingspan told me over the phone £68/m2 for 150mm Quad-Core roofliner, but almost certainly it can be had much cheaper if having via supply and fit from a contractor. This was the case with their prices for RW1000 panels. Link to comment Share on other sites More sharing options...
gc100 Posted February 9, 2020 Author Share Posted February 9, 2020 Thanks for that but that Kingspan product is 0.08 W/m·K vs 0.02 of their standard PIR so don’t really see the point aside from ease. i just released that I’ll never be able to use the vacuum panels as I need to put screws right through them into the joists with my roof makeup. thanks anyhow Link to comment Share on other sites More sharing options...
Dreadnaught Posted February 9, 2020 Share Posted February 9, 2020 11 minutes ago, gc100 said: 0.08 W/m·K Zero missing? "OPTIM-R E panels achieve a declared thermal conductivity of 0.009 W/m·K", source. Link to comment Share on other sites More sharing options...
gc100 Posted February 9, 2020 Author Share Posted February 9, 2020 I was referring to the Quadcore linked above vs ‘standard’ PIR Link to comment Share on other sites More sharing options...
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