Osb Vs Sheathing And Siding

Tall wall and the joists below with a single sheet.

Osb vs sheathing and siding.

Pretty much the same for any manufactured wood product and even natural wood that is not naturally rot resistant such as pine. And osb is available in 4 x 9 ft. In our area 1 2 in. They attach to the exterior wall framing and brace the walls against positive and negative forces.

Osb sheathing has one irritating characteristic but only if you abuse the stuff. Any portion of osb such as the bottom edge or the backside on any overhangs that is not sealed and or painted is destined to fail and rot. Failure of the sheathing is extremely expensive since the everything attached to it needs to go as well. Since sheathing what plywood or osb are called when used on the exterior of a house is rarely if ever seen again once you cover it up with siding or shingles it s important to choose the right materials for the job.

Two common types of structural wall sheathing are oriented strand board osb and fiberboard sheathing. Both are wood products which makes them earth friendly. Numerous choices are available for this purpose but the two most commonly used products are oriented strand board osb and plywood 1 both boards are made of wood with glues and resins come in many sizes and can be used for a variety of purposes. Osb sheathing costs a few dollars less per sheet than 1 2 in.

When considering plywood for sheathing builders choose from 1 2 inch cdx common construction grade material or 1 2 inch pressure treated plywood.