Egress windows provide emergency exits in case of fire. We tell you how big they should be and where you need them in your home. Codes require new homes to have the proper size basement and bedroom egress windows. But if you live in an older, pre-owned home, open your windows fully, pull out a tape measure and see if the opening meets current egress requirements. Figure C: Minimum size casement egress window. Casement windows with hinged sashes that swing free and clear of the opening can be relatively small and still meet egress requirements. If you install a basement bedroom or bedrooms, an egress window is required in each bedroom. Minimum width of opening: 20 in. Minimum height of opening: 24 in. Minimum Requirements Differ Few of us think of a bedroom window as a life-saving feature.
In other words, when a fire occurs, your bedroom windows have to be of a certain size so you can escape and firemen can come in. Minimum height of opening: 24 in. Existing windows on bedrooms I have meet the width and height requirements, but not the 5 square feet requirement. Using a Pella Double Hung for example which is similar to most, the minimum size of an Egress unit, that they have which would be close to your opening is their Double Hung, which is 2′-9 3/4 x 4′-9 3/4. 1029.2 Minimum size. 1029.5 Window wells. The area of the window well shall allow the emergency escape and rescue opening to be fully opened.
The minimum dimension requirement is waived where a bedroom door provides direct access to the exterior. Please see the City of Calgary egress window guidelines for more info. Few understand the reasons and requirements for windows in bedrooms. Minimum sizes to meet the bedroom egress requirement of common window styles in this region:. A window with a minimum height of opening of 24 inches.