Tongue And Groove Decking Span Tables

Irc table r803 1 lists 1 1 2 t g for rafter spans up to 72.

Tongue and groove decking span tables.

Such n such and you must select a material with at least the given modulus of elasticity and a higher allowable bending stress for the decking to meet the ibc. Does anyone know where i can find span tables for 3 1 2 thick tongue and groove floor deck plank. This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications. American institute of timber construction standards for tongue and groove heavy timber decking.

Just wondering if anyone has used this decking to act as the roof diaphragm. Nominal three and four inch decking is especially well adapted for use with glued laminated arches and girders and is easily and quickly erected. 1 grade lumber decking is standard and is used where construction requires the finest appearance and high strength. Timber tongue and groove decking is a specialty lum ber product constituting an important part of modern timber construction that can be used for many applica tions to provide an all wood appearance.

I have googled it and have not had any luck. Spans for western red cedar dimension lumber used as joists and rafters in residential and commercial structures are available from the western red cedar lumber association the canadian wood council and the national association of home builders. Tongue groove structural decking structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks. Tongue and groove decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level.

The bending stress is approx. Thatâ s how you should read that table. Does anyone have experience using tongue and groove decking for roof sheathing. Pattern faces should be down and exposed on the underside.

I am looking to space rafters at 72 however i cannot find any information on diaphragm strength of the t g decking. Nominal three and four inch decking is especially well adapted for use with glued laminated arches and girders and is easily and quickly erected. Tongue and groove wood decking should be installed with the tongue up on sloped roofs and outward in direction of laying on flat roofs. Maybe a website for a manufacturer.

Standard structural decking patterns are 2 nominal tongued and grooved t g and 3 and 4 double t g products available with vee or eased edges to meet discriminating architectural requirements. This document contains all that s needed to design and construct tongue and groove wood roof decking including span and load tables. Alternate grades can be used upon request depending on span appearance requirements quantity and availability. This is a commercial application and trying to span 4 to 6 feet.

Each piece of 2 thick decking should be toenailed through the tongue and face nailed with one 16d common nail per support.