Construction codes of Ontario

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Window Performance

Window Performance Several technological advances have vastly improved the performance of windows over the past 20 years. Multiple Glass Layers Condensation on interior window surfaces can be reduced by installing energy-efficient windows, using efficient glazing and low-conductivity frames. Each layer of glass and air space works to increase the inside surface temperature of the innermost […]

Window Wells

Window Wells, (1) Every window well shall be drained to the footing level or other suitable location. Article 9.14.6.3 Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021.

Windows airtightness, water resistance and wind load

Windows airtightness, water resistance and wind load Windows, doors and skylights provide environmental separation (resistance to water entry, thermal resistance and airtightness), perform a structural function by resisting wind loads, offer stability under operational loads and withstand forced entry. Windows, doors and skylights in Canada are expected to conform to the Harmonized Standard NAFS—North American […]

Windows and doors Light, View and Ventilation

Windows and doors Light, View and Ventilation Windows and doors with glazing provide light, view and ventilation. Except for bedrooms, which require windows as a means of egress from fire, the NBC does not require other rooms to have windows. However, it is recommended that certain rooms have windows large enough to admit daylight because […]

Windows and Skylights

Windows and Skylights Choose windows and skylights to bring in light and fresh air, and to reduce winter heat loss (thereby minimizing heating costs) and summer solar heat gain (to keep cooling costs down). Manufactured windows are classified according to key performance attributes such as insulating value (thermal conductance or ER value) and their resistance […]

Windows types

Windows types Many types of windows have different characteristics (Figure 128) along with their own advantages and disadvantages. Common window terms are shown in Figure 129. Fixed windows cannot be opened and are generally the least expensive. Though they usually offer the best level of energy efficiency and resistance to forced entry, fixed windows do […]