1x6 Tongue And Groove Roof Sheathing

Tongue groove boards.

1x6 tongue and groove roof sheathing.

The main reason to use tongue and groove boards these days is appearance from beneath the roof. Wood is an excellent insulator and in moderate climates no additional rigid insulation on the roof is necessary. When the roof was first nailed on of course all the nails were in solid wood. Perfect for interior or exterior projects boards are light weight and easy to nail saw trim or cut.

All end joints occur in line on every other support figure 6. But as it is tongue and groove the load will also be transferred over the adjacent pieces. Choose a finish to match your look as paint stain whitewash or clear finishes can transform any wood project. On 24 1x6 will work but put a layer of sheathing down to eliminate the roofing nail issue.

Tongue and groove boards were used for decades prior to the widespread adoption of plywood as a sheathing material in the 1950s and 1960s. But you re going to have to do some of the load math to figure out what the exact load will be on one piece of the tongue and groove. Roof deck 2x6 or 1x6 t g we use 1x6 up to 3 but the roof is then strapped after with 2x4 then sheathing. The keyword here is solid it used to be standard to use shiplap 1 boards tongue groove or other boards for the roof deck.

As wood dries it shrinks. 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. All pieces are supported on three supports. This arrangement is applicable to 4 or more supports 3 or more spans.

But the lumber was not usually kiln dried. Old houses with asphalt shingles usually had either tongue and groove boards or straight sided boards abutting. 4 tongue and groove roof decking. You maybe able to do a deflection calculation with the calculators in the red tool box on this site.

Tongue and groove commonly used as roof sheathing where a ceiling will not be installed and they will be visible from inside the house such as across beams in a vaulted ceiling. These 8 to 12 inch wide boards were nailed together tight. 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. Rafters it shouldn t be an issue.

Some use clips as convenient spacers.