Roof Sheathing Thickness Alberta

When reroofing plywood or o s b.

Roof sheathing thickness alberta.

Comes in standard 4 by 8 foot sheets is strong. 8d ring shank nails should be used instead. Use the home depot app to locate products and check inventory. Wallace stine and my250r11 e.

Loads will vary with the pitch of the roof. We ll take you to the exact aisle and bay. The typical thickness range for sheathing is 3 8 to 3 4 inch. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.

Ready to find the supplies you need in your local store. Roof sheathing materials plywood. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Cgsb ca cgsb 37 54 polyvinyl chloride roofing and waterproofing membrane national building code of canada 2005.

Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. Allowable spans for lumber floor and roof sheathing a b for si. Or minimum 12 7 mm 1 2 thick plywood sheathing. Asphalt shingles must be applied to wood sheathing over a ventilated air space.

1 inch 25 4 mm. If the spacing is greater than 1 4 install a layer of 3 8 minimum thickness apa labeled exterior grade plywood or osb over the wood planking. Sheathing should be a minimum of 19 32 inch thick. If you re in search of quotes for a roof sheathing job improvenet can put you in touch with up to four local contractors for free.

Division b part 5 page 5 11 the national building code now dictates that all flat roof deck and balcony areas are considered roofs and when specifying a pvc. For new construction the roof decking shall be minimum 11 mm 7 16 thick o s b. Most roofs will be sheathed in plywood at least 3 8 inch thick. Roof sheathing shall be minimum 10 mm 3 8 thick.

Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.