Installing Osb Roof Sheeting

When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material.

Installing osb roof sheeting.

How to install osb roof deck sheathing. 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. Installing osb structural roof sheathing panels to a sloped shed style overhead deck canop. Osb sheathing has different textures on both sides as well.

Avoid installing osb with the textured side down. The proper way to install osb span ratings. When osb is used as a structural panel it must adhere to specific span ratings specified by the. Properly fasten panels including fastening and spacing hints step 4.

Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter. You may choose between sheets that measure half an inch or 3 4 of an inch thick. Cover sheathing with.

This is usually a prerequisite in building codes. Avoid putting osb on wet roof trusses. 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.

Install osb textured side up. Select osb sheets. Check the nailing surface is level step 2. The textured surface helps flashing and waterproof underlay stay in place effectively.