Osb Roof Decking Which Side Up

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

Osb roof decking which side up.

I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. Also by installing the stamps down the rougher side of the panels is kept upward which helps with worker traction on the jobsite. 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. For pricing and availability.

Install osb textured side up. However structurally there is no difference in how the panel will perform whether the side with the grade stamps is installed up or down. Be particular about your framing you cannot install your osb sheathing directly. Lay sheets in rows with the long edge horizontal to the roof bottom.

Support spacing when the panel is used for subflooring. Or for floor sheathing over supports spaced up to 16 inches o c. Avoid installing osb with the textured side down. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

The screened surface also provides a little more traction for construction workers during installation. Osb sheathing has different textures on both sides as well. Watch this now to learn how to avoid this same pr. A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c.

Avoid putting osb on wet roof trusses. 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. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. Thicknesses range from 5 16 to 3 4 inch and the proper.

Provide a 1 8 inch gap. Spacing in inches for roof sheathing. For pricing and availability. The span rating on floor span panels appears as a single.

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. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter.