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air tight membrain

rodred · 2009-09-15 09:19:16

hi, i am about to start a timber frame build, i have quite a large attic space and was wondering if i should finish the air tight detail over the 1st floor ceiling or should i bring it up into the sloping ceiling incase i convert in the future? should i do it in the attic aswell, and use an airtight hatch to seal it for…

15-09-2009 9:19am

#1

rodred

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Posts: 101

hi,
i am about to start a timber frame build, i have quite a large attic
space and was wondering if i should finish the air tight detail over the 1st floor ceiling or should i bring it up into the sloping ceiling incase i convert in the future?
should i do it in the attic aswell, and use an airtight hatch to seal it for the meantime?

cheers

0

Comments

#2 15-09-2009 9:45am

sydthebeat

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Posts: 41066

refer to the "acceptable construction details" on the DOE website.

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#3 15-09-2009 9:50am

gears

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If you're considering converting the attic at all, it makes sense to bring the membrane up the roof at this stage as it will be very difficult to do this later.

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