Construction codes of Ontario

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Types of Exits

(1) Except as otherwise provided in this Section, an exit from any floor area shall be one of the following used singly or in combination: (a) an exterior doorway, (b) an exterior passageway, (c) an exterior ramp, (d) an exterior stairway, (e) a fire escape (as described in Subsection 3.4.7.), […]

Types of Glass and Protection of Glass

Types of Glass and Protection of Glass (1) Glass sidelights greater than 500 mm wide that could be mistaken for doors, glass in storm doors and glass in sliding doors within or at every entrance to a house or an individual dwelling unit and in public areas shall be, (a) safety glass of the tempered […]

Undersized Lumber

(1) Joist, rafter, lintel and beam members up to 5% less than the actual Canadian standard sizes are permitted to be used provided the allowable spans for the grade and species of lumber under consideration are reduced 5% from those shown in the span tables for full size members. Article 9.3.2.8 Ontario Regulation 332/12 Building Code, […]

Vapour Barrier Materials

Vapour Barrier Materials (1) Vapour barriers shall have a permeance not greater than 60 ng/(Pa∙s∙m2), measured in accordance with ASTM E96 / E96M, “Water Vapor Transmission of Materials”, using the desiccant method (dry cup). (2) Where the intended use of the interior space will result in high moisture generation, the assembly shall be designed according to […]

Window and door trim

Window and door trim Windows and doors must be installed so that they are sealed to the air barrier and must be flashed and sealed to keep water out (see Figure 130 and Figure 138). Exterior trim is used to conceal gaps around windows and doors and cover the exposed ends of the siding. The […]

Window in insulated wall

Window in insulated wall Windows can be installed in line with either the exterior or the interior surface, or in the middle of the rough opening, as shown in Figure 11, in walls, including highly insulated wall assemblies that may be dimensionally thicker than conventional walls because of added insulation. Installing the window in line […]

Window Installation

Window Installation Windows are usually installed after the house framing and roof covering have been completed. Windows should arrive just in time for installation. If they are delivered early, store them upright in a secure, dry and level area in their original packaging with any temporary bracing left in place. Screens are susceptible to damage […]