Fm Global Roof Deck

Here s what that means.

Fm global roof deck.

A class i insulated steel roof deck is one which meets the criteria of this standard for fire wind uplift live load resistances corrosion of metal parts and fatigue of plastic parts. Allowable fm deck span charts for windstorm ratings less than 1 105 are based upon numerous limit states defined in fm class 4451 approval standard which include. Designed to help roofing professionals roofnav provides easy access to the most up to date fm approved roofing related information and related installation recommendations from relevant fm global property loss prevention data sheets. Fm global is a commercial and industrial property insurance company that according to its website is guided by the belief that most losses can be prevented.

Fm approvals is the only organization in the world that tests complete roof assemblies when subjected to multiple perils such as fire testing above and below the deck wind uplift testing hail damage testing accelerated weathering water leakage foot traffic and corrosion resistance testing of metal parts. A roof assembly is tested to meet. The roof cover is tested in accordance with factory mutual research approval standard 4470. This standard states factory mutual research requirements for approval of class i insulated steel roof decks.

Roofnav can take the guesswork out of configuring an fm approved roofing system leaving you to focus on what matters most. The standard applies to all components as assembled in the system below the roof cover. Fm global is influencing our industry tremendously by codifying or standardizing roof designs mandating safer fire and wind rated roofs. 200 lb construction and maintenance deck stress and deflection uplift deck stress fastener tensile capacity and.