Wednesday, May 30, 2007

Re: Roof panel safety factors

Section 1504.3.2 of IBC 2006 has testing requirements
for metal panel roof systems.

http://roofnav.fmglobal.com/RoofNav/pdf/1-28.PDF and
http://roofnav.fmglobal.com/RoofNav/pdf/1-29.PDF are
Factory Mutual standards that should be useful. As I
remember FR requires a FS of 2.0 for most roofing
membranes. Note that the edge of roof and corner
conditions can produce some high uplift values.

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