Construction codes of Ontario

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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.

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 Protection for Interior Finishes

Moisture Protection for Interior Finishes (1) The interior surface of foundation walls below ground level shall be protected by means that minimize the ingress of moisture from the foundation wall into interior spaces where, (a) a separate interior finish is applied to a concrete or unit masonry wall that is in contact with the soil, […]

Nails for Fastening Gypsum Board

Nails for Fastening Gypsum Board (1) Nails for fastening gypsum board to wood supports shall conform to, (a) ASTM F1667, “Driven Fasteners: Nails, Spikes and Staples”, or (b) CSA B111, “Wire Nails, Spikes and Staples”. Article 9.29.5.6. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. Nail Attachment Gypsum […]

Openings in Loadbearing Walls

Openings in Loadbearing Walls (1) Openings in loadbearing walls greater than the required stud spacing shall be framed with lintels designed to carry the superimposed loads to adjacent studs. (2) Except as provided in Sentence 9.23.12.3.(2), where two or more members are used in lintels, they shall be fastened together with not less than 82 mm nails […]

Openings in Non-Loadbearing Walls

Openings in Non-Loadbearing Walls (1) Except as provided in Sentence (2), openings in non-loadbearing walls shall be framed with not less than 38 mm material the same width as the studs securely nailed to adjacent studs. (2) Openings for doors in non-loadbearing walls required to be fire separations with a fire-resistance rating shall be framed with the […]

Outlet box supports

Outlet box supports (see Appendix B) 1) Except as permitted by Subrule 6), boxes and fittings shall be firmly secured to studs, joists, or similar fixed structural units other than wooden, metal, or composition lath, in accordance with this Rule. 2) Where ganged sectional boxes are used, they shall be secured to metal supports or […]