Manufacturing Industry

FM change has a catch.(roofing)

Roofing Siding Insulation, May, 2007 by Glass, Larry

On Feb. 17 FM Global released a revision of its Loss Prevention Data Sheet 1-29, titled "Roof Deck Securement and Above-Deck Roof Components." The revision expands the range of adhered systems that may use "prescriptive" methods for enhancing wind resistance in the perimeter and corner areas of a roofing system.

The following text is taken from the revised document:

For all deck types, where roof covers are adhered to some combination of mechanically fastened insulation, cover board or thermal barriers, prescriptive enhancements may be used for securing the perimeter and corner areas as long as one of these conditions applies:

* The building is in a non-hurricane-prone region where the design wind speed does not exceed 90 mph and the roof...

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