Roof Decking Weight

The deck is accurately roll formed in varying configurations on the most modern high speed roll forming equipment available.

Roof decking weight. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. Generally the choices are poured in place structural concrete precast concrete. With the deck up approach slope weight bearing capacity fire resistance and other code issues must first be addressed. 3 deep roof deck g90 galvanized or a25 galvannealed 3n nested deck used with sidelap screws 3ni interlocking deck used with tsws or bps 3pln interlocking deck used with punchlok ii system approximate dimensions imperial interlocking sidelap nested sidelap section properties deck gage base metal thickness deck weight gross section properties.

On the other hand roofing material manufacturers and design professionals will start with the roof deck and supporting structure. Normally b decking is used in short to medium span conditions ranging from 3 feet to 10 feet in distance. Steel roof and floor decks have long been recognized for their economy because of their light weight and high strength to weight ratio. N deck in the industry lightest weight 3 n deck per square foot in the industry 3 depth 32 coverage 10 to 16 optimal span s modest diaphragm shear no acustadek option nestable configuration for screwed side lap attachment replaces steel deck institute sdi deep rib dr roof decks dgb 36 b 36 dgn 32 n 32.

B deck is strong light weight economical and easy to install and is the most common structural roof deck. Also known as wide rib this structural metal roof deck provides a support surface for various types of roofing materials. Type b roof deck is 1 5 deep. The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the.

Don t forget to add all roof assembly materials when calculating total roof weight. They provide a durable and attractive roof or. This includes the roof deck and the supporting structure typically roof trusses and or rafters as well as the roof system itself. Metal roofing aluminum or steel panel sheet or shingle 1 2 lb m ft 2 5 9 kg m 2 terne plate copper bearing steel sheet 0 7 lb m ft 2 3 4 kg m 2 wood shingle or shake 2 4 lb m ft 2 11 7 kg m 2.