Open Roof Sheathing

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.

Open roof sheathing.

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. Oriented strand board osb is one of the most popular materials for roof sheathing. On oct 05 2010. Plywood is very durable but tends to cost a bit more and is heavier.

Roof sheathing may also be constructed of plywood. 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. Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof.

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. This type of roof sheathing is used under wood shingles and shakes which usually require ventilation on both sides of the roofing material. 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.

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