Installing Osb Roof Sheeting

Osb sheathing has different textures on both sides as well.

Installing osb roof sheeting.

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. Cover sheathing with. Select osb sheets.

Avoid putting osb on wet roof trusses. When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material. 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.

Roof trusses must be dry when sheathing a roof with osb to prevent mold growth in the roof and coverage gaps as the trusses dry and shrink. Check the nailing surface is level step 2. Install osb textured side up. The screened surface also provides a little more traction for construction workers during installation.

The textured surface helps flashing and waterproof underlay stay in place effectively. How to install osb roof deck sheathing. 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. The proper way to install osb span ratings.

Avoid installing osb with the textured side down. Installing osb structural roof sheathing panels to a sloped shed style overhead deck canop. You may choose between sheets that measure half an inch or 3 4 of an inch thick. This is usually a prerequisite in building codes.