Construction codes of Ontario

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Flashing for Weep Holes in Masonry Veneer

Flashing for Weep Holes in Masonry Veneer (1) Flashing beneath weep holes in masonry veneer over masonry back-up walls shall conform to the flashing requirements for cavity walls and masonry veneer/masonry back-up walls in Article 9.20.13.5. (2) Flashing beneath weep holes in masonry veneer over wood frame walls shall be installed so that it extends from […]

Flashing Installation

Flashing Installation (1) Except as provided in Sentence (2), flashing shall be installed at, (a) every horizontal junction between claddings elements, (b) every horizontal offset in the cladding, and (c) every horizontal line where the cladding substrates change and where, (i) the substrates differ sufficiently for stresses to be concentrated along that […]

Flashing Joints

Flashing Joints (1) Joints in flashing shall be made watertight. Article 9.20.13.7. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Flashing Materials

Flashing Materials Table 9.20.13.1. Forming Part of Sentence 9.20.13.1.(1) Table 9.20.13.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Flashing Materials

(1) Flashing shall consist of not less than, (a) 1.73 mm thick sheet lead, (b) 0.33 mm thick galvanized steel, (c) 0.46 mm thick copper, (d) 0.46 mm thick zinc, (e) 0.48 mm thick aluminum, or (f) 1.02 mm thick vinyl. Article 9.27.3.7 Ontario Regulation 332/12 Building Code, Information […]

Flashing performance requirements

Flashing performance requirements The following performance requirements should be considered when materials to be used as flashing are selected: Water Barrier The flashing assembly that includes materials and joints must shed water without allowing leakage. The ability of the flashing to seal and be detailed to avoid leakage is fundamental. Creating an effective and durable […]

Floors over Unconditioned Spaces

Floors over Unconditioned Spaces Floors over unheated crawl spaces or over garages must be insulated. It is common to fill the space between the floor sheathing and a gypsum board ceiling under the floor with insulation. Where there is no finished ceiling on the underside of the floor, the insulation must be supported (to prevent […]