Shiplap Roofing Boards

If you nail plain wooden boards to a wall and call it shiplap that s not quite accurate.

Shiplap roofing boards.

Over time shiplap fir wood resin dissipates causing the boards to shrink crack form knot holes and become extremely brittle. There are long wooden boards involved but genuine shiplap actually has overlapping grooves that fit together to make the design weather tight. While shiplap may look like plain run of the mill wood panels that s not the whole story. X random lengths driftwood grey vintage shiplap.

Sheathing is 1x8 shiplap boards actual dimensions x7 with x rabbets. My house is from 1950. Primed pine nickel gap ship lap board 6 pieces per box model 0028994 view the primed ship lap board collection in pine nickel 63 69 box 63 69 box free delivery. The boards are not butted tightly.

There is probably about a gap on average. In fact most shingle manufacturers will not warranty a roof that is sitting directly on shiplap. If the roofing underlayment is applied directly on top of the shiplap it will sag into the spaces and eventually leak. Open spaces form between the once tightly fitted shiplap boards.

Set your store to see local availability add to cart. Roof is 1 layer of 3 tab asphalt shingles that are in need of replacement it will be a full year off. Simply put traditional shiplap is a kind of wooden board that is often used for building barns and sheds. Shiplap is everywhere these days.