Approvals, Listings & Test Reports


     Factory Mutual (FM) Series panel wind uplift classifications and deck listings are based upon full scale testing on full-scale testing on assemblies performed at the Factory Mutual Research Center.

Notes:
1) Structural fasteners are required at each low rib of the deck unit.
2) Quantity is for each 4' x 8' insulation board panel.
3) With 300 lb. concentrated load.
4) Automatic sprinklers are required for Class II deck systems.
5) Fasteners with integral hex head washers are required.		 1) A roofing assembly for Tuff Span 6.5 x 2 roof deck has FM Global approval for Class 1 fire and windstorm classification.  Other assemblies with Tuff Span roof deck are listed as Class II per FM J.I. OTOA9.  Contact Enduro or see FM Global Roof Nav for details.
2) Tuff Span roof decks are UL Listed for Class 90 Uplift:  Construction #NM523 for 6.5; #NM524 for 8.0.


    See the U.L. (Underwriters Laboratories, Inc.) Building Materials Guide for complete listing.

    Tuff Span FRP materials are fire retardant and demonstrate a Class 1 Flame Rating of 25 or less when tested per ASTM E-84. This test method relates the rate that flame spreads across a material’s surface. The rating is based on a scale of 0 to 100 with asbestos cement board as 0 and medium grade oak flooring as 100. Per ASTM E-84, Tuff Span 500 and 700 series roof deck have a Class 1 flame spread rating and >450 smoke development.