Construction codes of Ontario

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Required Smoke Alarms

Required Smoke Alarms (1) Except as permitted in Article 9.10.19.8., smoke alarms conforming to CAN/ULC-S531, “Smoke Alarms”, shall be installed in, (a) each dwelling unit, (b) each sleeping room not within a dwelling unit, and (c) each interior shared means of egress and common area in a house. (2) Smoke alarms required in […]

Required Soil Gas Control

Required Soil Gas Control (1) Except as provided in Sentence (2), all wall, roof and floor assemblies in contact with the ground shall be constructed to resist the leakage of soil gas from the ground into the building. (2) Construction to resist leakage of soil gas into the building is not required for, (a) garages […]

Required Waterproofing

Required Waterproofing (1) Where hydrostatic pressure occurs, waterproofing is required for assemblies separating interior space from the ground to prevent the ingress of water into building assemblies and interior spaces. (2) Waterproofing is required for roofs of underground structures to prevent the ingress of water into building assemblies and interior spaces. Article 9.13.3.1. Ontario Regulation […]

Residential Fire Warning Systems

(1) Except where a fire alarm system is installed or required in a building, smoke detectorsforming part of a residential fire warning system installed in conformance with CAN/ULC-S540 “Residential Fire and Life Safety Warning Systems: Installation, Inspection, Testing and Maintenance”, are permitted to be installed in lieu of all smoke alarms required by Articles 9.10.19.1. and […]

Residential Fire Warning Systems

(1) Except where a fire alarm system is installed or required in a building, smoke detectors forming part of a residential fire warning system installed in conformance with CAN/ULC-S540, “Residential Fire and Life Safety Warning Systems: Installation, Inspection, Testing and Maintenance”, are permitted to be installed in lieu of all smoke alarms required by Article 3.2.4.22., […]

Resilient Flooring Materials

Resilient Flooring Materials (1) Resilient flooring used on concrete slabs supported on ground shall consist of asphalt, rubber, unbacked vinyl or vinyl with an inorganic type backing. (2) Flooring described in Sentence (1) shall be attached to the base with a suitable waterproof and alkali-resistant adhesive Article 9.30.5.1. Ontario Regulation 332/12 Building Code, O. Reg. […]

Resistance to Forced Entry for Windows

Resistance to Forced Entry for Windows (1) In dwelling units, windows, any part of which is located within 2 m of adjacent ground level, shall conform to the requirements for resistance to forced entry as described in Clause 5.3.5 of AAMA/WDMA/CSA 101/I.S.2/A440, “NAFS – North American Fenestration Standard/Specification for Windows, Doors, and Skylights”. Article 9.7.5.3 Ontario […]