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12th August 2010, 11:30 PM #1
Roofing material suggestions please
Hi all,
Originally I was looking at a clear polycarbonate roof for a new enclosed rooftop room extension. Having since found out that the roof structure must achieve an R-value of R3.2 to achieve required BCA standards, I am now looking for options.
Roof will have a pitch of approx 30% and will be approx 7700 * 4700.
Any suggestion for a lightweight roof structure that can meet this R-value with the help of insulation? Looking for a very contemporary design. Ceiling will be sprinklered and will probably incorporate acoustic sheeting to keep noise levels under control.
All assistance and links appreciated.
Thanks.
B
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