admin. Living Room. March 29th , 2018.
The egress window is a window that is vital in specific locations in a residence. This window type is also intended to offer and provide an emergency passage to exit the building. This makes the specific egress window size and requirements a must to meet during the egress window installation for the windows to qualify as one. Today, we will briefly explain everything you need to know about this type of window and its importance.
The installation of egress window is required in any room that is used for sleeping purposes, such as bedrooms, on any floor. It is also required in habitable basements. New home is required by the code to out one in every bedroom. Apart from that, this window type is also required in the habitable basement if it is going to be finished. Bedroom in the basement, simply put, must have the window installed as well.
The size requirements for egress window vary, depending in which city or state you are living in. Even so, you can cue from the IRC or International Residential Code criteria, which state the minimum width and height of opening should be 20” and 24”, respectively. The minimum net clear opening should be 5.7 square-feet or 5.0 square-feet for ground floor, and the maximum sill height above floor must be 44”. Net clear opening means the actual clear and free space that is available as the window is open or the actual opening someone can crawl through.
Even without the use of any tools or keys, the window opening has to be operation from the inside. You can still install grilles, grates, and bars over the egress window, but they must still be operation without keys or tools as well as still allowing the minimum clear opening. Besides, the window size is not supposed to be 20x24”. In order to meet the net clear opening of 5.7 or 5.0 square-feet, the window size is ideally 20x42” or 34x24” as the 20x24” window can only provide net clear opening of 3.3 square-feet.
In the end, required or not, installing egress window to meet the codes is always an important decision to make for the safety of you and your family. Therefore, always include the egress size window in any room, even a remote one with a possibility of becoming a bedroom later. If you replace a smaller window with a larger one that satisfies egress requirements, you can minimize the cost by enlarging the height rather than the width.
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