Open Roof Sheathing

Plywood is a bit more expensive than osb but is usually stronger.

Open roof sheathing.

Open sheathing also called skip sheathing is composed of boards spaced apart. Roof sheathing is usually made of either oriented strand board osb or plywood. Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof. Written by doityourself staff.

On oct 05 2010. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. Roof sheathing is usually made of staggered panels or boards which can have spaces between them open sheathing or lie next to each other closed sheathing. This type of roof sheathing is used under wood shingles and shakes which usually require ventilation on both sides of the roofing material.

Roof sheathing is a layer of plywood wafer board or wood planks which is nailed on the rafters and stands between them and the shingles that finish the roofing. Position the first piece of plywood or oriented strand board sheathing on the bottom edge of the rafter tails at one end of the roof. Plywood is very durable but tends to cost a bit more and is heavier. Both materials are made of wood but osb is more lightweight and costs slightly less.

Roof sheathing may also be constructed of plywood. Roof sheathing or decking is one of those elements.