Tempo:
Garages and Carports
As built-in or attached garages and carports are considered part of the dwelling unit to which they are attached, they have essentially the same structural requirements. This also applies to garages that are separated from a house by a breezeway. The footings for garages and carports must be below frost as required for the rest of the house (see Chapter 7). A parking structure is considered to be a carport if more than 60 per cent of its perimeter wall area is open. Certain requirements apply only to garages and not to carports. For example, garages are required to have features to prevent them from exposing the remainder of the building to exhaust fumes, whereas carports are considered to be naturally vented due to the open perimeter.
GARAGES Garages can be attached or detached. Built-in garages with living accommodation over the garage area are common in two-storey houses. In an attached garage, a complete air barrier is required in walls and ceiling separating the garage from occupied spaces. Doors separating a garage from the house are required to be weatherstripped and be self-closing to keep garage exhaust and vapours from contaminating living areas. The operation of motor vehicles in garages is a potential source of carbon monoxide (CO), a colourless, odourless gas that can accumulate in lethal concentrations in enclosed spaces without occupants being aware of it. If a garage is heated, the heating system should be separate from the house heating system to reduce the risk of garage fumes entering the house.
As built-in or attached garages and carports are considered part of the dwelling unit to which they are attached, they have essentially the same structural requirements. This also applies to garages that are separated from a house by a breezeway. The footings for garages and carports must be below frost as required for the rest of the house (see Chapter 7). A parking structure is considered to be a carport if more than 60 per cent of its perimeter wall area is open. Certain requirements apply only to garages and not to carports. For example, garages are required to have features to prevent them from exposing the remainder of the building to exhaust fumes, whereas carports are considered to be naturally vented due to the open perimeter.
GARAGES Garages can be attached or detached. Built-in garages with living accommodation over the garage area are common in two-storey houses. In an attached garage, a complete air barrier is required in walls and ceiling separating the garage from occupied spaces. Doors separating a garage from the house are required to be weatherstripped and be self-closing to keep garage exhaust and vapours from contaminating living areas. The operation of motor vehicles in garages is a potential source of carbon monoxide (CO), a colourless, odourless gas that can accumulate in lethal concentrations in enclosed spaces without occupants being aware of it. If a garage is heated, the heating system should be separate from the house heating system to reduce the risk of garage fumes entering the house.
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