Construction codes of Ontario

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Openings in Loadbearing Flat Insulating Concrete Form Walls

Openings in Loadbearing Flat Insulating Concrete Form Walls (1) No openings shall occur within 1.2 m of interior and exterior corners of exterior loadbearing flat insulating concrete form walls. (2) In loadbearing flat insulating concrete form walls, lintels shall be provided over all openings wider than 900 mm. (3) Lintels described in Sentence (2) shall be […]

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 […]

Other Requirements for Windows, Doors and Skylights

Other Requirements for Windows, Doors and Skylights (1) Minimum sizes of doorways and doors within a barrier-free path of travel shall conform to Section 9.5. (2) The protection of window and door openings against persons falling through the window or door opening shall conform to Article 9.8.8.1. (3) Properties of windows and doors within exits shall […]

Performance of Windows, Doors and Skylights General

Performance of Windows, Doors and Skylights (1) Except as provided in Sentences (2) to (4), windows, doors and skylights and their components separating conditioned space from unconditioned space or the exterior shall be designed, constructed and installed so that, when in the closed position, they, (a) resist the ingress of precipitation into interior space, […]

Performance Requirements – Manufactured Windows, Doors and Skylights

Performance Requirements (1) Performance grades for windows, doors and skylights shall be selected according to CSA A440S1, “Canadian Supplement to AAMA/WDMA/CSA 101/I.S.2/A440-11, NAFS – North American Fenestration Standard/Specification for Windows, Doors, and Skylights” so as to be appropriate for the conditions and geographic location in which the window, door or skylight will be installed. (2) Windows, […]

Protection from Weather and Insects

Protection from Weather and Insects (1) Openings for natural ventilation other than windows shall be constructed to provide protection from the weather and insects. (2) Screening shall be of rust-proof material. Article 9.32.2.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Proximity of Doors to Stairs

Proximity of Doors to Stairs (1) Except as provided in Sentence (2), the distance between a stair riser and the leading edge of a door in its swing, except for doors serving a house or an individual dwelling unit, shall be not less than 300 mm. (2) Where there is a danger of blockage from ice or […]