Insulation - Thickness iof roof insulation

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lucadobe
Posts: 4
Joined: Sat Jan 08, 2005 2:43 pm
Location: middlesex

Post: # 6877Post lucadobe

just had building guy from council round to check extention we have built, got pitched roof , he say's he wants 10" thick insulation in roof and laid criss cross, i was going to put 6", anyone up to date on the regs for this. seems a bit excessive to me
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lee
Posts: 35
Joined: Sun Sep 21, 2003 9:31 am
Location: Bath United kingdom
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Post: # 6904Post lee

I am not sure on the regulations for you Lucadobe however, try your local builders merchants as they sell insulation day in day out...
Unfortunately All the work I do I stand on!!

Lee

edit:
just found this on the web...

Building regulations require loft insulation to 0.25W/m²K (a depth of 150mm) and to 0.2W/m²K (depth of 200mm) in less energy efficient buildings. The latter is the economic depth that should be applied to all existing buildings today. This can be achieved by topping-up the existing insulation.

hope this helps!
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lee
Posts: 35
Joined: Sun Sep 21, 2003 9:31 am
Location: Bath United kingdom
Contact:
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Post: # 6909Post lee

Hi I spoke to one of the engineers on our site today. he recommends a product called Tri-Iso which i am led to believe is only 4" thick and is compliant with the latest building regs.... this also means that you will not have to extend the rafters to suit a 10" covering....

Tri -iso is available at Buildercentres across the UK.

lee.
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