Installing Osb Roof Sheeting

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.

Installing osb roof sheeting.

The textured surface helps flashing and waterproof underlay stay in place effectively. Avoid putting osb on wet roof trusses. 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. Osb sheathing has different textures on both sides as well.

Install osb textured side up. Avoid installing osb with the textured side down. Ventilate the roof according to current building codes step 3. This is usually a prerequisite in building codes.

Cover sheathing with. You may choose between sheets that measure half an inch or 3 4 of an inch thick. 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. Installing osb structural roof sheathing panels to a sloped shed style overhead deck canop.

When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material. How to install osb roof deck sheathing. The proper way to install osb span ratings. Check the nailing surface is level step 2.

And scroll down to see more details on each with installation hints and tips below. 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. When osb is used as a structural panel it must adhere to specific span ratings specified by the.