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.
1x6 tongue and groove roof decking spans.
Roof deck 2x6 or 1x6 t g we use 1x6 up to 3 but the roof is then strapped after with 2x4 then sheathing.
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This document contains all that s needed to design and construct tongue and groove wood roof decking including span and load tables.
This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications.
All end joints occur in line on every other support figure 6.
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.
The product comes endmatched meaning it is tongue and grooved on the ends so the boards do not have to meet on supports.
For combination simple span and two span continuous multiply by 1 31 for two span continuous multiply by 1 85 loads shown are for dry use conditions multiply by 9 for wet service factor conversion factor to determine the board footage of decking required multiply the square footage of the roof area to be covered by a factor of 2 40.
Roof decking is southern pine as manufactured by s i.
It is nominal 2 x 6 3 x 6 or 4 x 6 in 1 or 2 grade and kiln dried.
Our 3 6 southern pine 1 face t g v roof decking comes predrilled with spikes for driving horizontally through the board into the previous piece which pulls them together nicely.
Storey lumber co inc.
This arrangement is applicable to 4 or more supports 3 or more spans.
On 24 1x6 will work but put a layer of sheathing down to eliminate the roofing nail issue.
With less than 4 supports a special pattern requiring specified lengths must be used.
Decking is machined to a single or double tongue and groove evis pattern.
Tongue and groove decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level.
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.