Plywood is very durable but tends to cost a bit more and is heavier.
Open roof sheathing.
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.
Oriented strand board osb is one of the most popular materials for roof sheathing.
In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.
Written by doityourself staff.
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.
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.
Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.
On oct 05 2010.
Roof sheathing may also be constructed of plywood.
Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof.
Align the long edge of the sheathing with the ends of the.
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.
Both materials are made of wood but osb is more lightweight and costs slightly less.