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The IBC doesn't recognize 2x tongue and groove decking we have 2x6's as providing roof diaphragm shear behavior. I've heard in the past that placing Structural I plywood or OSB over the top of the decking can provide the necessary diaphragm action.
Looking at using 2x tongue and groove for decking. but need info on allowable spans, best practices, good suppliers, etc. .any suggestions? Is it the actual roof deck or something else I do not know. Apparently there's a system where the t and g is also on the ends of the boards and you can have joints between trusses but you have to follow
OSB3 Tongue and Groove 2400mm x 600mm x 18mm is a premium board for roofing or flooring applications, with edges machined to the finest tolerance for a perfect fit and faces calibrated to a standard finished thickness.
Heavy Roof Decking - Solid and Laminated Yellow Pine Roof Decking. AL manufactures solid Southern Yellow Pine tongue and groove roof decking according to the American Institute of Timber Construction AITC Yellow Pine Laminated Roof Decking Products. Southern Wood Specialties offers a prestine laminated roof decking option. Laminated
Approximate weight of installed decking in pounds per square foot of roof surface: Tongue and groove wood decking should be installed with the tongue up on sloped roofs and outward in direction of laying on flat roofs. Pattern faces should be Tongue and Groove Decking Author: Chuck
2 x 6 TIMBER DECKING BY: STRUCTURAL WOOD SYSTEMS APPLICATION 2 x 6 Solid Timber Decking by Structural Wood Systems SWS provides the American Institute of Timber Construction standards for tongue-and-groove heavy timber decking. square footage of the roof area to be covered by a factor of 2.40.
Wood roof decking can be factory pre-finished with a choice of Olympic, acrylic, or do not take into consideration slight section loss due to tongue and groove profile, beveled edges, and other manufacturing details, which may SOLID SAWN ROOF DECKING FLYER 11/2014