Installing Osb On A Roof

Properly fasten panels including fastening and spacing hints step 4.

Installing osb on a roof.

And scroll down to see more details on each with installation hints and tips below. 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. When osb is used as a structural panel it must adhere to specific span ratings specified by the. Most metal shingles will be attached to the roof using metal shingle.

Installing osb roof sheathing. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. This is usually a prerequisite in building codes. Cover sheathing with.

Ventilate the roof according to current building codes step 3. Select osb sheets. If the inside finished ceiling height will be 8 feet you can hang 9 foot osb panels vertically on the exterior walls. The proper way to install osb span ratings.

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. Install osb textured side up. 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.

Osb sheathing has different textures on both sides as well. You may choose between sheets that measure half an inch or 3 4 of an inch thick. Avoid the errors described when installing this roof sheathing. How to correctly install plywood or osb roof sheathing.

Ensure roof trusses are in proper alignment with no curves or uneven sections when installing osb to. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter. Check the nailing surface is level step 2. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.