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. Open sheathing also called skip sheathing is composed of boards spaced apart. Roof sheathing or decking is one of those elements. Roof sheathing is usually made of either oriented strand board osb or plywood. Both materials are made of wood but osb is more lightweight and costs slightly less.

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. Roof sheathing may also be constructed of plywood. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board 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.

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. Align the long edge of the sheathing with the ends of the. Plywood is very durable but tends to cost a bit more and is heavier. Written by doityourself staff.

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