Fm Global Roof Deck Span

Roofnav can take the guesswork out of configuring an fm approved roofing system leaving you to focus on what matters most. The side laps of interlocking steel decks are secured by button punch spaced at maximum 36 in. Fm global indicates when the distance between rows of membrane sheet fasteners is greater than half a steel roof deck s span the deck s design for wind uplift should be based on concentrated loads instead of uniform loads.

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Fm Global Roof Design Roof Building Insulation

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For mechanically attached single ply roofing systems the test involves building a roof assembly on a test frame that measures 12 feet by 24 feet.

Fm global roof deck span.

Roof deck maximum spans. The test frame has the appropriate roof deck attached to supports. This will apply for zone 1. Fm approved steel deck fasteners spaced at the maximum center to center span as determined by the lesser of the values shown in the tables as follows or as specified within listings of the fm approved steel deck fastener.

For more information regarding canam steel deck please refer to the steel deck or contact our experts by phone at 1 866 466 8769 or online. The specific test that pertains to wind uplift utilizes a test apparatus designed by fm approvals. Does not warrant the accuracy of the information and graphs resulting from these calculations. Determine the maximum steel deck span from fm 1 29 tables 1a 1d for 1 5b decks or 1e for 3n decks for the roof covering required.

A point attached system with fm approved fastener spacing for class 1 90 of 24 24 in. Factory mutual metal deck span limits jae structural 1 jun 07 16 26 factory mutual is technically only required if the building owner is insured by factory mutual or if the owner is insured by a company that references factory mutual. Fm global property loss prevention data sheets. All information and graphs are provided as is.

914 mm on center. Roof deck securement and above deck roof components. 610 610 mm could use a spacing of 14 24 in. 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.

356 610 mm in the perimeter. Please note also the needed deck gage and yield strength.