Open Roof Sheathing

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.

Open roof sheathing.

Open sheathing also called skip sheathing is composed of boards spaced apart. Written by doityourself staff. 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 may also be constructed of plywood. Plywood is very durable but tends to cost a bit more and is heavier. Align the long edge of the sheathing with the ends of the. Oriented strand board osb is one of the most popular materials for roof sheathing.

Plywood is a bit more expensive than osb but is usually stronger. 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. Both materials are made of wood but osb is more lightweight and costs slightly less. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.

On oct 05 2010. Roof sheathing or decking is one of those elements.