This arrangement is applicable to 4 or more supports 3 or more spans.
Tongue and groove roof decking spans.
Storey lumber co inc.
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.
Irc table r803 1 lists 1 1 2 t g for rafter spans up to 72.
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.
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.
It is nominal 2 x 6 3 x 6 or 4 x 6 in 1 or 2 grade and kiln dried.
4 tongue and groove roof decking.
Does anyone have experience using tongue and groove decking for roof sheathing.
Nominal three and four inch decking is especially well adapted for use with glued laminated arches and girders and is easily and quickly erected.
See figures 1 and 2 lengths decking pieces may be of.
Decking is machined to a single or double tongue and groove evis pattern.
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.
2x6 tongue and groove as roof sheathing 18x16 gable roof over my deck with exposed rafters and no ceiling.
This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications.
With less than 4 supports a special pattern requiring specified lengths must be used.
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.
Maximum moisture content is 19 for 2 x 6 3 x 6 and 4 x 6.
1 grade lumber decking is standard and is used where construction requires the finest appearance and high strength.
Find all the facts and ideas about it in this article before you install one for your home design.
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.
Roof decking is southern pine as manufactured by s i.
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.
Tongue and groove decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level.
All end joints occur in line on every other support figure 6.
Alternate grades can be used upon request depending on span appearance requirements quantity and availability.
