Tongue And Groove Plywood Roof Sheathing

These 8 to 12 inch wide boards were nailed together tight.
Tongue and groove plywood roof sheathing. Wood is an excellent insulator and in moderate climates no additional rigid insulation on the roof is necessary. 1 2 can be used without h clips but there are no lateral p0int loads on walls so there is really no advantage. That means if you put the tongue any bit inside the neighboring groove as designed it will fall short of 4.
Tongue and groove boards were used for decades prior to the widespread adoption of plywood as a sheathing material in the 1950s and 1960s. The main reason to use tongue and groove boards these days is appearance from beneath the roof. There is some case for using t g as roof sheathing although even at 24 oc.
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. It is the most popular and inexpensive and it is widely known for floor wall and roof sheathing applications. Single layer flooring panel for use under hardwood flooring carpet and pad ceramic and vinyl floor coverings this plywood combines sub floor and underlayment into a single powerful panel for use under carpet and pad hardwood flooring or vinyl tile.
Therefore you will run short of your sheathing flooring calculation. Sanded to provide a smooth surface. I had to scab my 20 building with about a 2 rip just to finish it off and that was with pretty generous 1 4 gaps on the t g edges.
Rafters it shouldn t be an issue. Southern pine tongue and groove plywood sheathing 605189 the home depot. 2x6 tongue and groove as roof sheathing 18x16 gable roof over my deck with exposed rafters and no ceiling.
For 5 8 or thicker roof sheathing on 16 o c. Say what you want about them but osb and plywood do not offer a very attractive finished look. 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.