Construction codes of Ontario

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Corner Treatment for Siding

Corner Treatment for Siding There are several methods used for siding at corners (Figure 112). For siding applied horizontally, mitred corners and metal corners or corner boards are common. Mitred corners must fit tightly and smoothly for the full depth of the mitre. To maintain a tight fit at the mitre, purchase dry siding and […]

Cornices, Sills and Trim

Cornices, Sills and Trim (1) Cornices, sills or other trim of masonry material that project beyond the wall face shall have not less than 65% of their mass, but not less than 90 mm, within the wall or shall be adequately anchored to the wall with corrosion-resistant anchors. Article 9.20.11.5 Ontario Regulation 332/12 Building Code, […]

Corrosion Resistance of Connectors

Corrosion Resistance of Connectors (1) Carbon steel connectors required to be corrosion-resistant shall be galvanized to at least the minimum standards in Table 9.20.16.1. Article 9.20.16.1 Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021.

Counter Flashing

Counter Flashing To prevent water from penetrating behind the top edge of base flashing, a separate piece of flashing should be provided over the top. This flashing is known as “counter flashing” and is usually made of sheet metal (see Figure 119). Figure 119 Oncodes.ca publishes this information for educational purposes only (CMHC) Note : Counter […]

Covers for receptacles located outdoors

Covers for receptacles located outdoors Figure B26-3 Source: Figure B26-3, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. © 2021 Canadian Standards Association. Please visit store.csagroup.org

Dampproof Flashing

Dampproof Flashing Precast concrete, stone masonry or brick units known as “copings” close the tops of masonry walls or act as window and door sills. These units also serve to prevent water from entering the top of the wall. If the copings are installed in sections, water may leak through the joints. A dampproof flashing […]

Downspouts

Downspouts (1) Where downspouts are provided and are not connected to a sewer, extensions shall be provided to carry rainwater away from the building in a manner that will prevent soil erosion. Article 9.26.18.2. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. The most common option for downspout extensions are […]