This arrangement is applicable to 4 or more supports 3 or more spans.
Tongue and groove roof decking spans.
Storey lumber co inc.
4 tongue and groove roof decking.
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.
All pieces are supported on three supports.
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.
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.
Alternate grades can be used upon request depending on span appearance requirements quantity and availability.
Find all the facts and ideas about it in this article before you install one for your home design.
Just wondering if anyone has used this decking to act as the roof diaphragm.
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.
Decking is machined to a single or double tongue and groove evis pattern.
1 grade lumber decking is standard and is used where construction requires the finest appearance and high strength.
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.
This document contains all that s needed to design and construct tongue and groove wood roof decking including span and load tables.
Does anyone have experience using tongue and groove decking for roof sheathing.
Irc table r803 1 lists 1 1 2 t g for rafter spans up to 72.
Roof decking is southern pine as manufactured by s i.
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.
It is nominal 2 x 6 3 x 6 or 4 x 6 in 1 or 2 grade and kiln dried.
All end joints occur in line on every other support figure 6.
See figures 1 and 2 lengths decking pieces may be of.
Maximum moisture content is 19 for 2 x 6 3 x 6 and 4 x 6.
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.
I am looking to space rafters at 72 however i cannot find any information on diaphragm strength of the t g decking.