Fm Global Roof Deck Span

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. Please note also the needed deck gage and yield strength. 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. Does not warrant the accuracy of the information and graphs resulting from these calculations. All information and graphs are provided as is.

Roof deck securement and above deck roof components. Roof deck maximum spans. Roofnav can take the guesswork out of configuring an fm approved roofing system leaving you to focus on what matters most. Fm global property loss prevention data sheets.

The specific test that pertains to wind uplift utilizes a test apparatus designed by fm approvals. The side laps of interlocking steel decks are secured by button punch spaced at maximum 36 in. This will apply for zone 1. A point attached system with fm approved fastener spacing for class 1 90 of 24 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. 914 mm on center. 610 610 mm could use a spacing of 14 24 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.

The test frame has the appropriate roof deck attached to supports. 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.