Installing Osb Roof Sheeting

The textured surface helps flashing and waterproof underlay stay in place effectively.

Installing osb roof sheeting.

Install osb textured side up. How to install osb roof deck sheathing. Ventilate the roof according to current building codes step 3. This is usually a prerequisite in building codes.

When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material. Properly fasten panels including fastening and spacing hints step 4. You may choose between sheets that measure half an inch or 3 4 of an inch thick. 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.

Select osb sheets. Cover sheathing with. Avoid installing osb with the textured side down. Installing osb structural roof sheathing panels to a sloped shed style overhead deck canop.

Avoid putting osb on wet roof trusses. The screened surface also provides a little more traction for construction workers during installation. 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. And scroll down to see more details on each with installation hints and tips below.

When osb is used as a structural panel it must adhere to specific span ratings specified by the. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter. Osb sheathing has different textures on both sides as well. 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.