Construction codes of Ontario

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Drips Beneath Window Sills

Drips Beneath Window Sills (1) Except for wall openings located less than 150 mm above ground level, where a concealed flashing is not installed beneath window and door sills, such sills shall be provided with an outward slope and a drip located not less than 25 mm from the wall surface. [millimeterToInch Article 9.20.13.12 Ontario Regulation […]

Eave Projection

Eave Projection The eave overhang gives some protection to the wall. Soffits are usually clad with prefinished perforated metal or vinyl panels (Figure 136). These are low maintenance and provide ample area for venting roof spaces without permitting insects to enter the space. A narrow eave projection is sometimes used on roofs with steep slopes. […]

EIFS Design and Installation

EIFS Design and Installation (1) The design of an exterior insulation finish system shall comply with CAN/ULC-S716.3, “Exterior Insulation and Finish Systems (EIFS) – Design Application”. (2) The installation of an exterior insulation finish system shall comply with CAN/ULC-S716.2, “Exterior Insulation and Finish Systems (EIFS) – Installation of EIFS Components and Water Resistive Barrier”. Article 9.27.13.3. Ontario […]

EIFS Materials

EIFS Materials (1) The materials used in exterior insulation finish systems shall conform to CAN/ULC-S716.1, “Exterior Insulation and Finish Systems (EIFS) – Materials and Systems”. (2) The substrate on which an exterior insulation finish system is installed shall, (a) be compatible with that particular system, and (b) comply with the structural requirements for sheathing materials […]

Elements of the Second Plane of Protection (Flashing)

Elements of the Second Plane of Protection (1) The second plane of protection shall consist of a drainage plane with appropriate inner boundary and flashing to dissipate rainwater to the exterior. (2) The inner boundary of the drainage plane shall comply with, (a) Articles 9.27.3.2. to 9.27.3.6., or (b) Subsection 9.27.13. (3) The […]

End Bearing Length of Joists and Rafters

End Bearing Length of joists and rafters (1) The length of end bearing of joists and rafters shall be not less than 38 mm. Article 9.23.13.3 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Exposure and Thickness Wood Shingles and Shakes

Exposure and Thickness Wood Shingles and Shakes (1) The exposure and butt thickness of shingles and shakes shall conform to Table 9.27.7.6. Article 9.27.7.6. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only