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vietnamseabee said:I’m trying to grasp the functionality of a wood plank roof as in Brian Nolan’s Addison Tie and Lumber. This style of roof seems common of sawmills (which Is my current build) . I’m using trusses at 48” centers with 2x6 purlins. The roof boards and 2x8/2x10 boards with the long edge butt joints covered with 2x4/2x6 battens.
Not a completely watertight roof system so I’m wondering in a layer of tarpaper would have been placed between the purlins and roof boards. Seems like significant sagging would occur with the tarpaper….all clear as mud?
Thoughts?
Terry
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