Shiplap On Roofs

The boards are not butted tightly.

Shiplap on roofs.

Shiplap refers to a special type of inter locking board similar to tongue and groove but with a tighter overlapping fit. Shiplap can stand up to most anything and now it can be found everywhere. With the level horizontal i laid the roofing square on it and rotated it until it was parallel with the roof slope. My house is from 1950.

Moving and shifting shiplap is one of the major reasons why there is a problem laying shingles directly over this inferior roof decking. Shiplap boards are thin about 1 inch 2 5 cm thick. Shiplap boards have a small groove in the bottom and a small ridge on the top. I could then read the roof slope in degrees off the roofing square scale.

For this shed the roof slope was 30 degrees which is a zzin 12 roof slope. Set your store to see local availability add to cart. Sometimes on older houses they have had so many different roofs that the deck is all shot up splintering in this case a redeck is in order. It was often used on the exteriors of homes in forest or coastal settings characterized by challenging weather.

Shiplap has a groove cut into the top and bottom which allows the boards to fit together and gives it a unique appearance. These wooden panels are easy to install create an effective seal and are an increasingly popular style choice for the inside of homes from modern to rustic. Roof is 1 layer of 3 tab asphalt shingles that are in need of replacement it will be a full year off. Shiplap is now considered an enemy of asphalt shingles.

Today a shiplap roof is usually 60 years old. Shiplap doesn t have any gaps in the boards and can be roofed over as is usually. Open spaces form between the once tightly fitted shiplap boards. It s been adopted and adapted in homes across the country and on.

Over time shiplap fir wood resin dissipates causing the boards to shrink crack form knot holes and become extremely brittle. Radiata pine nickel gap ship lap board model 1294701 20 67 20 67. Simply put traditional shiplap is a kind of wooden board that is often used for building barns and sheds. In fact most shingle manufacturers will not warranty a roof that is sitting directly on shiplap.

Sheathing is 1x8 shiplap boards actual dimensions x7 with x rabbets. I checked the roof slope using my roofing square and spirit level. If you have roofers that don t know the difference between shiplap skip sheathing find a roofer that does. If you can t find actual shiplap or find the price prohibitive it s common to use 1 in 6 in 2 5 cm 15 2 cm boards instead of actual shiplap.

This feature allows them to be stacked easily. There is probably about a gap on average.