Construction codes of Ontario

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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 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 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 […]

Floor Concrete Topping – Joist spans

Floor Concrete Topping – Joist spans (1) Except as permitted in Sentence (2), where a floor is required to support a concrete topping, the joist spans shown in Table A-1 or the spacing of the members shall be reduced to allow for the loads due to the topping. (2) Where a floor is required to support […]

Floor Framing

Floor Framing A rim joist is end-nailed or toe-nailed to each joist. The joists, including the end joist parallel to the exterior walls, are toe-nailed to the sill plate (Figure 63). The inner portions of the joists are supported on top of load-bearing walls or intermediate beams (Figure 53), or framed into the side of […]

Floor Framing at Projections

Floor Framing at Projections Floor joists sometimes project beyond the foundation or framed wall to provide support for a bay window or additional floor space in the upper rooms. The cantilevered portion of the floor framing should not exceed 400 mm (16 in.) for 38 × 184 mm (2 × 8 in.) joists and 600 […]