Installing Osb On A Roof

Osb sheathing has different textures on both sides as well.

Installing osb on a roof.

Check the nailing surface is level step 2. The proper way to install osb span ratings. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter. Properly fasten panels including fastening and spacing hints step 4.

Most metal shingles will be attached to the roof using metal shingle. Avoid the errors described when installing this roof sheathing. Since a standard three tab asphalt shingle roof typically weights between 225 and 300 pounds per square the extra plywood will significantly increase the weight of the roof you install. You may choose between sheets that measure half an inch or 3 4 of an inch thick.

Select osb sheets. Install osb textured side up. When osb is used as a structural panel it must adhere to specific span ratings specified by the. When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material.

Install osb panels on aligned roof trusses. Ensure roof trusses are in proper alignment with no curves or uneven sections when installing osb to. Cover sheathing with. Installing osb roof sheathing.

This is usually a prerequisite in building codes. Osb roof panels should always be installed with the grade stamp facing into the attic and the screened surface with the nail guide lines facing up. How to correctly install plywood or osb roof sheathing. Ventilate the roof according to current building codes step 3.

When the grade stamp is covered by roofing the building inspector will not be able to confirm that the correct osb roofing panel was used. And scroll down to see more details on each with installation hints and tips below. Osb panels come in 4 foot widths and 8 foot or longer lengths. The screened surface also provides a little more traction for construction workers during installation.