The main reason to use tongue and groove boards these days is appearance from beneath the roof.
1x6 tongue and groove roof decking.
Rafters it shouldn t be an issue.
Maximum moisture content is 19 for 2 x 6 3 x 6 and 4 x 6.
Perfect for interior or exterior projects boards are light weight and easy to nail saw trim or cut.
For 5 8 or thicker roof sheathing on 16 o c.
Timber tongue and groove decking is a specialty lum ber product constituting an important part of modern timber construction that can be used for many applica tions to provide an all wood appearance.
The product comes endmatched meaning it is tongue and grooved on the ends so the boards do not have to meet on supports.
In the 1950s plywood sheathing and particleboard became common and today most standard construction roofs use either half inch plywood or particleboard s big brother oriented strand board osb.
Tongue and groove boards were used for decades prior to the widespread adoption of plywood as a sheathing material in the 1950s and 1960s.
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Choose a finish to match your look as paint stain whitewash or clear finishes can transform any wood project.
Roof decking is southern pine as manufactured by s i.
Decking is machined to a single or double tongue and groove evis pattern.
Roof deck 2x6 or 1x6 t g we use 1x6 up to 3 but the roof is then strapped after with 2x4 then sheathing.
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.
See figures 1 and 2 lengths decking pieces may be of.
It is nominal 2 x 6 3 x 6 or 4 x 6 in 1 or 2 grade and kiln dried.
Storey lumber co inc.
Old houses with asphalt shingles usually had either tongue and groove boards or straight sided boards abutting.
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.
On 24 1x6 will work but put a layer of sheathing down to eliminate the roofing nail issue.
Some use clips as convenient spacers.