Osb Roof Decking Which Side Up

For pricing and availability.

Osb roof decking which side up.

One side has a polyurethane coating that shields the object from natural elements such as moisture but the opposite side does not have a finish at all. Watch this now to learn how to avoid this same pr. Avoid putting osb on wet roof trusses. The screened surface also provides a little more traction for construction workers during installation.

Thicknesses range from 5 16 to 3 4 inch and the proper. 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. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. The second number is the maximum o c.

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. However structurally there is no difference in how the panel will perform whether the side with the grade stamps is installed up or down. Support spacing when the panel is used for subflooring. Avoid installing osb with the textured side down.

Provide a 1 8 inch gap. Lay sheets in rows with the long edge horizontal to the roof bottom. Install osb textured side up. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.

Be particular about your framing you cannot install your osb sheathing directly. A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

Osb sheathing has different textures on both sides as well. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter. Spacing in inches for roof sheathing. 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.

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