Construction codes of Ontario

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Fastening of Flashing

Fastening of Flashing (1) Fastening devices for flashing shall be corrosion-resistant and, where metal flashing is used, shall be compatible with the flashing with respect to galvanic action. Article 9.20.13.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Flashing

Flashing The purpose of flashing is to prevent water from entering the building envelope and to intercept any that passes the first plane of protection and direct it to the exterior. Flashing is usually required wherever there is a discontinuity on exterior surfaces (for example, above windows), where there is a change in cladding materials […]

Flashing and factors that influence water flow

Flashing and factors that influence water flow Flashings must deal with the forces that drive the flow of water, because water can move upward and sideways as well as downward. These forces include gravity, surface tension, capillary action, kinetic energy and differential pressure. Gravity The building should have the following features to deflect water that […]

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 […]