Already this year, FM Global has made several noteworthy changes
affecting roof assemblies. If you are involved with roofing
projects where FM Global's guidelines apply, you should become
familiar with these changes, which follow.
RoofNav is FM Approvals' (a subsidiary of FM Global) online
classification calculator and approval listing directory.
When RoofNav was introduced in 2005, it was available on a
relatively costly annual subscription basis. However, as of
January, RoofNav is free of charge to all users and available by
accessing www.roofnav.com. (For additional
information about RoofNav, see "FM
RoofNav," June...
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