Installing Osb Roof Decking

Avoid installing osb with the textured side down.

Installing osb roof decking.

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. This instructional video covers how to store space and fasten osb oriented strand board roof sheathing including radiant barrier roof 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. You may choose between sheets that measure half an inch or 3 4 of an inch thick.

Oriented strand board commonly referred to as osb is a type of engineered lumber similar to particle board formed by adding adhesives and then compressing layers of wood strands. Osb sheathing has different textures on both sides as well. The screened surface also provides a little more traction for construction workers during installation. Drill pilot holes trough the rafters and insert the screws into the shed rafters after aligning the overhang at both ends.

This is usually a prerequisite in building codes. Properly fasten panels including fastening and spacing hints step 4. And scroll down to see more details on each with installation hints and tips below. Cover sheathing with.

When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material. Provide a 1 8 inch gap. Fitting the roof decking. Continue the woodworking project by fitting the plywood sheeting.

Lay sheets in rows with the long edge horizontal to the roof bottom. Osb is widely used as roof decking material. The textured surface helps flashing and waterproof underlay stay in place effectively. Ventilate the roof according to current building codes step 3.

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. Avoid putting osb on wet roof trusses. A homeowner recently wrote and asked me the following regarding osb roof decking. Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings.

Install osb textured side up.