Construction codes of Ontario

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Galvanized Sheet Steel

Galvanized Sheet Steel (1) Where sheet steel is required to be galvanized, it shall be metallic-coated with zinc or an alloy of 55% aluminium-zinc meeting the requirements of, (a) ASTM A653 / A653M, “Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process”, or (b) ASTM A792 / A792M, “Sheet Steel, 55% […]

Grade Marking (Lumber and Wood Products)

Grade Marking (1) Lumber for joists, rafters, trusses and beams and for the uses listed in Table 9.3.2.1. shall be identified by a grade stamp to indicate its grade as determined by the NLGA, “Standard Grading Rules for Canadian Lumber”. Article 9.3.2.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Guards

(1) Except as provided in Sentence (6) and Articles 3.3.2.8. and 3.3.4.7., a guard not less than 1 070 mm high shall be provided, (a) around each roof to which access is provided for other than maintenance, (b) at openings into smoke shafts referred to in Subsection 3.2.6. that are less than 1 070 […]

Head Lap Asphalt Shingles on Slopes of 1 in 3 or Greater

Head Lap Asphalt Shingles on Slopes of 1 in 3 or Greater (1) Shingles shall have a head lap of not less than 50 mm. Article 9.26.7.3. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Heavy Roofing Materials

Heavy Roofing Materials (1) Where a roof is required to support an additional uniform dead load from roofing materials such as concrete roofing tile, or materials other than as specified in Section 9.26., such as clay roofing tiles, the additional load shall be allowed for by reducing, (a) the spans for roof joists and rafters […]

Heavy Timber Construction

(1) Wood elements in heavy timber construction shall be arranged in heavy solid masses and with essentially smooth flat surfaces to avoid thin sections and sharp projections. (2) Except as permitted by Sentences (3) to (6) and (12), the minimum dimensions of wood elements in heavy timber construction shall conform to Table 3.1.4.7. (3) Where splice plates […]

Heavy Timber Dimensions Table

Table 3.1.4.7.Heavy Timber Dimensions Forming Part of Sentence 3.1.4.7.(2) Table 3.1.4.7 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.