Construction codes of Ontario

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Maximum Spans for Spruce – Pine – Fir Lintels – No. 1 or No. 2 Grade – Non-Structural Sheathing(1)

Maximum Spans for Spruce – Pine – Fir Lintels – No. 1 or No. 2 Grade – Non-Structural Sheathing(1) Table A-15 Forming Part of Sentences 9.23.12.3.(1) and (3) and 9.37.3.1.(1) Notes to Table A-15: (1) Where structural sheathing is used, lintel spans may be increased by 15%. Structural sheathing consists of a minimum 9.5 mm thick […]

Maximum Spans for Steel Beams Supporting Floors in Dwelling Units

Maximum Spans for Steel Beams Supporting Floors in Dwelling Units Table 9.23.4.3.Forming Part of Sentence 9.23.4.3.(1) Table 9.23.4.3. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Method of Measurement

Method of Measurement (1) Except as otherwise specified in this Part, the areas, dimensions and heights of rooms or spaces shall be measured between finished wall surfaces and between finished floor and ceiling surfaces. Article 9.5.1.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Minimum Lumber Grades for Specific End Uses – Table

Table 9.3.2.1.Minimum Lumber Grades for Specific End Uses Forming Part of Sentences 9.3.2.1.(1) and 9.3.2.2.(1). Table 9.3.2.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Minor Combustible Components

(1) The following minor combustible components are permitted in a building required to be of noncombustible construction: (a) paint, (b) self-adhesive tapes, mastics and caulking materials applied to provide flexible seals between the major components of exterior wall construction, (c) fire stops conforming to Sentence 3.1.9.1.(1) and fire blocks conforming to Article 3.1.11.7., […]

Moisture Content (Lumber)

(1) Moisture content of lumber shall be not more than 19% at the time of installation. Article 9.3.2.5 Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021.

Nailing of Framing

(1) Except as provided in Sentence (2), nailing of framing shall conform to Table 9.23.3.4. (2) Where the bottom wall plate or sole plate of an exterior wall is not nailed to joists or blocking in conformance with Table 9.23.3.4., the exterior wall may be fastened to the floor framing by, (a) having plywood, OSB or […]