Osb Roof Sheathing Thickness Canada

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.

Osb roof sheathing thickness canada.

The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. In canada osb panels are manufactured to meet the requirements of the csa o325 standard. The wafers or strands used in the manufacture of osb are generally up to 150 mm 6 in long in the grain direction 25 mm 1 in wide and less than 1 mm 1 32 in thickness. Price match guarantee free shipping on eligible orders.

Multiply the length of the roof in feet by the width of the roof in feet to find the area of the roof in square feet. Loads will vary with the pitch of the roof. The ontario building code thickness or rating 9 23 15 7. Never attach roof sheathing with staples.

Find the area of a roof. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. For heavier loads a 40 20 rated panel 19 32 or 5 8 will support a 130 psf live load and 48 24 rated panels 23 32 or are good to175 psf. Once the area is known divide by the area of a 4 8 sheet to find how much sheathing is needed.

Compare products read reviews get the best deals. For pricing and availability. 8d ring shank nails should be used instead. 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.

That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. If you have multiple sections of roof find the area of each and add them together to find the total area. Sheathing should be a minimum of 19 32 inch thick. The typical thickness range for sheathing is 3 8 to 3 4 inch.

Most roofs will be sheathed in plywood at least 3 8 inch thick. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. Shop osb top brands at lowe s canada online store. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.