The ontario building code minimum window areas 9 7 2 3.
What is the minimum size of an egress window in ontario.
Therefore it s recommended that a step is built below the window to provide easy access in case of a fire.
However basement windows are typically higher than 1 5m above the floor.
Following are the requirements of egress window ontario set forth by the nbcc for ontario residents.
Size requirements of the egress window.
When the sill height of an egress window is located below grade common for egress windows provided for a basement a window well must be provided.
Forming part of sentence 9 7 2 3 1.
Egress windows or doors for bedrooms 1 except where a door on the same floor level as the bedroom provides direct access to the exterior every floor level containing a bedroom in a suiteshall be provided with at least one outside window that a is openable from the inside without the use of tools.
No less than 3 8 ft 2 0 35 m 2 minimum dimension for egress windows.
In case you install a sprinkler system in your room you do not need an outside window for an emergency exit.
The distance should be good enough to allow easy escape even for short people.
Where a protective enclosure is installed over the window well referred to in sentence 5 such enclosure shall be openable from the inside without the use of keys tools or special knowledge of the opening mechanism.
They also need to be relatively large to meet the minimum size requirement for egress windows needing a space 28 inches to 60 inches wide and 23 5 inches to 60 inches high.
The required window size for egress is the same between the national building code and the ontario building code.
Egress windows should not be higher than 1 5m around 60 inches above the surface of the floor.
Window well requirements are the same as well.
Sliding egress windows gliding or sliding egress windows slide open horizontally like sliding glass doors and must be at least 4x4 square feet to meet requirements.
The ontario building code egress windows or doors for bedrooms 9 9 10 1.
Area for egress windows.
And sentence 3 the minimum window glass area for rooms in buildings ofresidential occupancy or rooms that are used for sleeping shall conform to table 9 7 2 3.
No less than 15 inches 380 mm measure your windows between the sashes sills jambs as well as between.
All the same size and style requirements apply regardless of location.
In short the required window size for egress is the same between the national building code and the ontario building code.
Minimum window areas 1 except as required in article 9 9 10 1.
Required window wells must be at least 760mm away from the window to allow.
