Installing Osb Roof Sheeting

Check the nailing surface is level step 2.

Installing osb roof sheeting.

Cover sheathing with. Select osb sheets. 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. You may choose between sheets that measure half an inch or 3 4 of an inch thick.

Installing osb structural roof sheathing panels to a sloped shed style overhead deck canop. Ventilate the roof according to current building codes step 3. When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material. 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.

Osb sheathing has different textures on both sides as well. This is usually a prerequisite in building codes. How to install osb roof deck sheathing. And scroll down to see more details on each with installation hints and tips below.

The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter. When osb is used as a structural panel it must adhere to specific span ratings specified by the. Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings. Properly fasten panels including fastening and spacing hints step 4.

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. 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. Avoid putting osb on wet roof trusses.