Installing Osb On A Roof

The proper way to install osb span ratings.

Installing osb on a roof.

Ensure roof trusses are in proper alignment with no curves or uneven sections when installing osb to. When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material. Osb sheathing has different textures on both sides as well. This is usually a prerequisite in building codes.

Installing osb roof sheathing. Cover sheathing with. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. You may choose between sheets that measure half an inch or 3 4 of an inch thick.

Install osb panels on aligned roof trusses. And scroll down to see more details on each with installation hints and tips below. Most metal shingles will be attached to the roof using metal shingle. Properly fasten panels including fastening and spacing hints step 4.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. 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. Ventilate the roof according to current building codes step 3. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter.

How to correctly install plywood or osb roof sheathing. Osb panels come in 4 foot widths and 8 foot or longer lengths. 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. Install osb textured side up.

The screened surface also provides a little more traction for construction workers during installation. When osb is used as a structural panel it must adhere to specific span ratings specified by the. Avoid the errors described when installing this roof sheathing. Check the nailing surface is level step 2.