Roof deck securement and above deck roof components.
Fm global roof deck span.
356 610 mm in the perimeter.
All information and graphs are provided as is.
Roof deck maximum spans.
We also know that in order to create change we must look inward.
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.
Does not warrant the accuracy of the information and graphs resulting from these calculations.
Roofnav can take the guesswork out of configuring an fm approved roofing system leaving you to focus on what matters most.
Fm global donates us 500 000 to equal justice initiative although money doesn t solve all problems fm global will invest in solutions that require funding to make our communities better places for all.
Other innovations include n 32 a 32 wide 3 deep roof deck panel and our new smooth series rivet attachment for our portfolio of cellular deck products.
The specific test that pertains to wind uplift utilizes a test apparatus designed by fm approvals.
A point attached system with fm approved fastener spacing for class 1 90 of 24 24 in.
The side laps of interlocking steel decks are secured by button punch spaced at maximum 36 in.
The test frame has the appropriate roof deck attached to supports.
Fm global property loss prevention data sheets.
610 610 mm could use a spacing of 14 24 in.
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.
It will be a long journey and we are prepared to stay the course for as.
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 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.
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.
Please note also the needed deck gage and yield strength.
2 deep roof deck and has since replaced the previous industry standard 36 5 and 36 7 attachment patterns.
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.
