Construction codes of Ontario

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Wiring methods — Underground

Wiring methods — Underground 1) Wiring underground shall be run a) in rigid steel or rigid aluminum conduit;b) in non-metallic underground conduit;c) as mineral-insulated cable, aluminum-sheathed cable, or copper-sheathed cable; ord) as cable suitable for direct earth burial as selected in accordance with Rule 12-102 3) or, where a deviation has been allowed in accordance […]

Wood Frame Roof Systems

Wood Frame Roof Systems (1) Except as permitted in Sentence (2), roof systems of wood frame construction shall be tied to exterior masonry walls by not less than 12.7 mm diam anchor bolts, (a) spaced not more than 2.4 m apart, (b) embedded not less that 90 mm into the masonry, and (c) […]

Wood Frame Walls Intersecting Masonry Walls

Wood Frame Walls Intersecting Masonry Walls (1) Wood frame walls shall be tied to intersecting masonry walls with not less than 4.76 mm diam corrosion-resistant steel rods spaced not more than 900 mm o.c. vertically. (2) Ties required in Sentence (1) shall be anchored to the wood framing at one end and shaped to provide a mechanical […]

Wood Protection from Decay

Wood Protection from Decay (1) Ends of wood joists, beams and other members framing into masonry or concrete shall be treated to prevent decay where the bottom of the member is at or below ground level, or a 12 mm air space shall be provided at the end and sides of the member. Article 9.23.2.2. Ontario […]

Wood Shingles and Shakes

Wood Shingles and Shakes Wood shingles or machine-grooved shakes are sometimes used for wall cladding. They are available in lengths of 400, 450 and 600 mm (16, 18 and 24 in.) and may be factory-painted or stained. Plywood, OSB or lumber sheathing should be used under shingles or shakes. Shingles are separated into three grades. […]

Wood Shingles and Shakes Materials

Wood Shingles and Shakes Materials (1) Shingles and shakes shall conform to, (a) CSA O118.1, “Western Red Cedar Shakes and Shingles”, or (b) CSA O118.2-M, “Eastern White Cedar Shingles”. (2) Western cedar shakes shall be not less than No. 1 grade or Handsplit grade, and western cedar shingles not less than No. 2 grade, except […]