Roof Decking Weight

With the deck up approach slope weight bearing capacity fire resistance and other code issues must first be addressed.

Roof decking weight.

Normally b decking is used in short to medium span conditions ranging from 3 feet to 10 feet in distance. Generally the choices are poured in place structural concrete precast concrete. The deck is accurately roll formed in varying configurations on the most modern high speed roll forming equipment available. They provide a durable and attractive roof or.

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. On the other hand roofing material manufacturers and design professionals will start with the roof deck and supporting structure. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.

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. This includes the roof deck and the supporting structure typically roof trusses and or rafters as well as the roof system itself. 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. 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.

1 5 b deck s wider rib profile allows for more insulation to be installed. Don t forget to add all roof assembly materials when calculating total roof weight. 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. B deck is 1 1 2 deep and is available in galvanized and prime painted finishes.