ABSTRACT

The introduction of Factory Mutual Research Corporation (FMRC) is necessary before any discussion of structural roof decks, because FMRC sets minimum standards adopted by the roofing and insurance industries in the United States for steel roof decks and fastening methods for roofing systems. FMRC is an affiliate of Factory Mutual Global; it is located in Norwood, Massachusetts. Their website address is www.fmglobal.com.