In July, FM Global revised its Loss Prevention Data Sheet 1-52
(FM 1-52), "Field Verification of Roof Wind Uplift Resistance,"
which addresses the insurance company's field wind-uplift test
requirements for roof system installations in hurricane-prone
regions. The July version of FM 1-52 updates and supersedes the
previous April 2009 version.
Initially, the most noticeable change to FM 1-52 is its title:
"Field Verification of Roof Wind Uplift Resistance." Previous
versions of FM 1-52 were titled "Field Uplift Tests."
A new Table 1 has been added to the data sheet indicating
whether the negative pressure test or bonded pull test methods
contained in FM 1-52 apply to various roof...
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