The product comes endmatched meaning it is tongue and grooved on the ends so the boards do not have to meet on supports.
1x6 tongue and groove roof decking.
This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications.
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.
The main reason to use tongue and groove boards these days is appearance from beneath the roof.
Tongue groove boards.
Above that allowable span goes to different grades of 1 1 2 thick material.
Not more than 1 to be 4 to 5 ft.
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.
Rafters it shouldn t be an issue.
Tongue and groove flooring 2 southern yellow pine southern pine is a dependable product for any project southern pine provides great value in a wide variety of applications.
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.
Span for 1x6 t g roof decking.
If pieces are for controlled random layup odd or even lengths are permitted and the minimum lengths based on board feet percentages shall be as follows.
On 24 1x6 will work but put a layer of sheathing down to eliminate the roofing nail issue.
Roof deck 2x6 or 1x6 t g we use 1x6 up to 3 but the roof is then strapped after with 2x4 then sheathing.
And longer not more than 10 to be less than 10 ft.
Basically 1x with a minimum of 5 8 net thickness can span up to 24.
Two inch decking not less than 40 to be 14 ft.
Scroll down below for options.
For 5 8 or thicker roof sheathing on 16 o c.
Some use clips as convenient spacers.
In my experience the need for tongue and groove or edge clips is determined by the thickness of the roof sheathing and the spacing of the rafters.
6 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.
Section r803 irc roof sheathing.