Tongue And Groove Roof Decking Spans

Storey lumber co inc.

Tongue and groove roof decking spans.

Frequently used for loft flooring and roof decking the uniquely straight grain and reddish orange color of douglas fir provides eye catching appeal wherever it is installed. Roof decking is southern pine as manufactured by s i. All end joints occur in line on every other support figure 6. 1 grade lumber decking is standard and is used where construction requires the finest appearance and high strength.

Irc table r803 1 lists 1 1 2 t g for rafter spans up to 72. Tongue and groove decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level. See figures 1 and 2 lengths decking pieces may be of. American institute of timber construction standards for tongue and groove heavy timber decking.

With less than 4 supports a special pattern requiring specified lengths must be used. Plan is to use 2x6 t g sheathing since it would require no plywood or osb overlay and 1 roofing nails wouldn t penetrate beneath. 4 tongue and groove roof decking. Decking is machined to a single or double tongue and groove evis pattern.

Does anyone have experience using tongue and groove decking for roof sheathing. All pieces are supported on three supports. Alternate grades can be used upon request depending on span appearance requirements quantity and availability. I am looking to space rafters at 72 however i cannot find any information on diaphragm strength of the t g decking.

Just wondering if anyone has used this decking to act as the roof diaphragm. 2x6 tongue and groove as roof sheathing 18x16 gable roof over my deck with exposed rafters and no ceiling. Maximum moisture content is 19 for 2 x 6 3 x 6 and 4 x 6. This arrangement is applicable to 4 or more supports 3 or more spans.

This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications. It is nominal 2 x 6 3 x 6 or 4 x 6 in 1 or 2 grade and kiln dried. 2x6 douglas fir tongue and groove decking as one of the hardest and most dense of the softwood species douglas fir makes a practical as well as a beautiful addition to your home. 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 roof decking especially the one from solid wood boards is one of the two most common choices for residential use right now. Nominal three and four inch decking is especially well adapted for use with glued laminated arches and girders and is easily and quickly erected.