What Are Egress Windows?
- Oriel Windows & Doors Author
- Feb 19
- 2 min read

At Oriel Windows and Doors, we often receive inquiries about egress windows, especially concerning their necessity in basements. So, what are egress windows? Simply put, an egress window is a window designed to function as an emergency exit during situations like fires or other emergencies. These windows are essential for ensuring the safety of a building's occupants.
Importance of Egress Windows in Basements
Basements, often used as living spaces or bedrooms, must have proper means of escape to comply with building codes and to ensure occupant safety. Egress windows for basements provide this critical exit route, allowing individuals to evacuate quickly during emergencies. Beyond safety, these windows also introduce natural light and ventilation into below-grade spaces, enhancing their livability.
Egress Window Requirements in Alberta
In Alberta, egress windows must meet specific criteria to comply with the building code. The window must be openable from the inside without the use of tools or special knowledge. It must provide an unobstructed opening with a minimum area of 0.35 square meters (3.77 square feet), with no dimension less than 380 millimeters (15 inches). Additionally, there must be a 760-millimeter (2 feet 6 inches) clearance in front of the window. If the window sash swings towards a window well, it must not do so in a way that would restrict escape in an emergency.
Choosing the Right Egress Window
Selecting the appropriate egress window involves considering both functionality and aesthetics. Common types suitable for basements include casement windows, which hinge at the side and swing outward, and sliding windows, which move horizontally. The choice depends on the specific needs of your space and personal preferences.
Egress Window Installation Considerations
Proper installation of egress windows is crucial to ensure they function correctly and comply with safety standards. Factors to consider include:
Location: The window should be easily accessible and unobstructed.
Window Wells: For below-grade installations, a window well with sufficient clearance is necessary to provide space for escape and to prevent soil from blocking the window.
Drainage: Adequate drainage systems must be in place to prevent water accumulation in the window well, which could lead to leaks or water damage.
It's advisable to consult with professionals to ensure all aspects of the installation meet local building codes and safety requirements.
At Oriel Windows and Doors, we offer a range of egress window solutions tailored to meet safety standards while complementing your home's design. Our team is ready to assist you in selecting and installing the perfect egress windows for your basement.
For more information, visit our egress windows page or contact us directly!
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