Osb Roof Sheathing Thickness Canada

In addition design values for osb construction sheathing are listed in csa o86 allowing for engineering design of roof sheathing wall sheathing and floor sheathing using osb conforming to csa o325. Compare products read reviews get the best deals. A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c.

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Osb roof sheathing thickness canada.

Support spacing when the panel is used for subflooring. Sheathing should be a minimum of 19 32 inch thick. 8d ring shank nails should be used instead. The second number is the maximum o c.

Thickness or rating 1 the thickness or rating of roof sheathing on a flat roof used as a walking deck shall conform to either table 9 23 14 5 a. The ontario building code thickness or rating 9 23 15 7. The greater ability a wall has to dry the more durable it will be and everyone. Panel thickness will also affect permeability using the 2 perm variable of 7 16ths osb sheathing at 3 4 thickness the permeability drops to 2 3rds of a perm.

Never attach roof sheathing with staples. Shop osb top brands at lowe s canada online store. 2 the thickness or rating of roof sheathing on a roof not used as a walking deck shall conform to either table 9 23 15 7 a. Scroll down 01.

Thicknesses range from 5 16 to 3 4 inch and the proper. Sheathing conforming to csa o325 is referenced in part 9 of the national building code of canada nbc. The typical thickness range for sheathing is 3 8 to 3 4 inch. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Installation manual zip system sheathing wall and roof zip system sheathing and tape fact sheet integrated sheathing or housewrap white paper zip system brand brochure house of brands brochure view all. Or for floor sheathing over supports spaced up to 16 inches o c. Plywood s advantage over osb.

For the curious 7 16 osb has a span rating of 24 16 and with supports every 24 inches is good for a roof live load of 40 psf pounds per square foot with a 10 psf dead load. The span rating on floor span panels appears as a single. Spacing in inches for roof sheathing. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

That in a nutshell is the one big advantage plywood holds over osb.