Minimum Requirements Differ Few of us think of a bedroom window as a life-saving feature. The requirement for a properly-sized bedroom window has been around since 1980 and subsequent code changes since then have made it even easier to understand how a bedroom egress window is defined. An undersized egress window in a bedroom can spell disaster in a fire. Minimum height of opening: 24 in. Minimum net clear opening: 5.7 sq. Can you confirm minimum area for basement bedroom window opening is 3. I have a window opening with the height of 15.5 inch the problem is the window frame is lessen the required minimum 15 inch.
Egress Windows or Doors for Bedrooms. Although the minimum opening dimensions required for height and width are 380 mm, a window opening that is 380 mm by 380 mm would not comply with the minimum area requirements. For fire escape, the window must be at least 5.7 square feet in area. The opening must have a minimum height of 24 inches, a minimum width of 20 inches, and a maximum sill height of 44 inches. The size of an egress window in the City of Ottawa is not based on the physical size of the window frame, but on what the unobstructed clear opening is (once the window has been fully opened). If you are contemplating replacing an existing bedroom window, or adding a bedroom to your basement, you need to ensure each bedroom window meets the minimum Ottawa egress window requirements.
Note: To meet egress, a window must comply with all four IRC requirements. What are window requirements (size, location) for a bedroom? 3 square feet. The minimum net clear opening shall be 20 inches by 24 inches in either direction. So egress window requirements only apply to bedrooms.
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