Osb Roof Decking Which Side Up

Avoid installing osb with the textured side down.

Osb roof decking which side up.

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. For pricing and availability. Lay sheets in rows with the long edge horizontal to the roof bottom. For pricing and availability.

The span rating on floor span panels appears as a single. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. 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.

Install osb textured side up. Thicknesses range from 5 16 to 3 4 inch and the proper. The screened surface also provides a little more traction for construction workers during installation. Spacing in inches for roof sheathing.

The second number is the maximum o c. Be particular about your framing you cannot install your osb sheathing directly. 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. However structurally there is no difference in how the panel will perform whether the side with the grade stamps is installed up or down.

Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. Watch this now to learn how to avoid this same pr. 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. The textured surface helps flashing and waterproof underlay stay in place effectively. Provide a 1 8 inch gap. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

Support spacing when the panel is used for subflooring. A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c.