Roof Sheathing Plywood Or Osb

Sheathing a 2 400 sq.

Roof sheathing plywood or osb.

Roof sheathing or decking is one of those elements. Osb panels can be manufactured in lengths up to 16 feet or sometimes even higher while plywood is generally limited to 8 to 10 feet. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot.

Plywood subflooring 3 8 plywood plywood roof sheathing 3 4 plywood 4x8 3 4 sheathing plywood 48 24 sheathing plywood. Up until 2000 plywood held the majority of the market for wall roof and floor sheathing when it was surpassed by osb which as of 2018 held about 75 of the market share. Home at current prices would cost about 700 more with plywood than osb. One of the nice things about plywood is the variety of options you can buy.

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. Osb boasts a more consistent density. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. Get free shipping on qualified plywood sheathing osb waferboard sheathing plywood or buy online pick up in store today in the lumber composites department.

With edge support and the same snow load 3 8 inch osb can be used. While a sheet of plywood might be 5 to 7 plies thick a sheet of osb is made from as many as 50 strand layers packed and compressed into the same thickness. Both types of panels contain phenol formaldehyde in the adhesive osb also contains isocyanurate resin but neither contains the urea formaldehyde which is quite toxic to humans.