Tongue And Groove Roof Decking Spans

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 and groove roof decking spans.

This document contains all that s needed to design and construct tongue and groove wood roof decking including span and load tables. All end joints occur in line on every other support figure 6. Roof decking is southern pine as manufactured by s i. 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.

2x6 tongue and groove as roof sheathing 18x16 gable roof over my deck with exposed rafters and no ceiling. Storey lumber co inc. Alternate grades can be used upon request depending on span appearance requirements quantity and availability. Does anyone have experience using tongue and groove decking for roof sheathing.

Just wondering if anyone has used this decking to act as the roof diaphragm. 1 grade lumber decking is standard and is used where construction requires the finest appearance and high strength. 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. This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications.

Find all the facts and ideas about it in this article before you install one for your home design. It is nominal 2 x 6 3 x 6 or 4 x 6 in 1 or 2 grade and kiln dried. This arrangement is applicable to 4 or more supports 3 or more spans. Maximum moisture content is 19 for 2 x 6 3 x 6 and 4 x 6.

I am looking to space rafters at 72 however i cannot find any information on diaphragm strength of the t g decking. 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. See figures 1 and 2 lengths decking pieces may be of.

Decking is machined to a single or double tongue and groove evis pattern. All pieces are supported on three supports. 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. 4 tongue and groove roof 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 decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level.