Celotex as loft floor insulation?
Posted: Fri Dec 25, 2020 4:44 pm
Hi. Help / advice please from an insulation expert.
I've acquired a significant amount of used 25mm foil backed celetox and 50mm paper backed insulation. It's in my garage and I need to either use it or get rid of it somehow.
I thought I could use it in my loft to top up the existing insulation a bit. At the minute I only have 100mm of glass fibre.
Initially I thought I'd lay it between the joists and put the existing glass fibre on top.
The I thought it would be a lot easier just to place it on top of the joists as it is.
Then I thought, could there be any condensation issues with the foil backed? Or any of it.
Then I thought, I really don't know if I can use it all, and maybe I'm best just adding 170mm of glass fibre or equivalent.
Any advice or thoughts would be greatly appreciated.
Thanks.
I've acquired a significant amount of used 25mm foil backed celetox and 50mm paper backed insulation. It's in my garage and I need to either use it or get rid of it somehow.
I thought I could use it in my loft to top up the existing insulation a bit. At the minute I only have 100mm of glass fibre.
Initially I thought I'd lay it between the joists and put the existing glass fibre on top.
The I thought it would be a lot easier just to place it on top of the joists as it is.
Then I thought, could there be any condensation issues with the foil backed? Or any of it.
Then I thought, I really don't know if I can use it all, and maybe I'm best just adding 170mm of glass fibre or equivalent.
Any advice or thoughts would be greatly appreciated.
Thanks.