Home Improvement

Requirements for a Basement Egress Window Replacement

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Basement Egress Window Replacement

While remodeling your home, either doing door or window replacement you have to consider the remodeling and construction requirements according to the residential codes of your municipality. Going against the set rules can cost you huge fines. If you are unsure of the rules, contact a window installation company.

Window egress is essential because they offer a secondary exit if an emergency like a fire occurs.  These egress vinyl windows Oakville also provide natural light to the house and are installed mainly in the basement bedrooms and living areas.

  1. What You Need To Know About Egress Windows

Most building codes have specific requirements for egress windows replacement units, including the size and the criteria of placement. As a window installer, you have to know the size of square footage required for these windows. You should also be updated in case of any changes in the codes. Some of the requirements of egress windows are;

  1. Emergency Egress

Every home should have a rescue opening in the basements measuring more than 200 square feet. The gap should measure a minimum of 5.7 square feet. If your basement has more than one sleeping room, each room should have emergency egress.

Another requirement is that the escape should open into a public way or a yard. The minimum height for these should be 24 inches and a width of 20 inches.  As such, when doing window replacement, your installer must adhere to all these requirements.

  1. Minimum Opening Area

The size of the opening area of the egress windows replacement unit must match with the measurements given in the building codes. For most municipalities, the required opening area should not be less than 5.7 square feet and have a height of 24 inches. This is so to allow enough escape space in case of an emergency.

The windows recommended for basement conversion projects are casement egress windows. You can also use double-hung egress windows, but they should have a bigger opening. Regardless of the window styles you choose, the key is keeping the minimum measurements as stipulated in the building code.

  1. Window Sill Height

The sill height required for basement egress windows is a maximum of 42 inches from the floor. Installing a concrete-cutting sub-cut hole is expensive and invasive, so you don’t have to include that.

  1. Below Drainage Window Wells

Specifically, window replacement building codes require a window well to not be less than 9 square feet with a width of not less than 36 inches. The area of the window well allows the emergency escape, and it should be fully opened.

  1. Drainage Wells

Window wells should have proper drainage connecting to the building’s foundation drainage system. The drainage system should be installed in a place with well-drained soil or sand-gravel mixture soils.

Window wells in areas without good soil drainage are over-excavated, and the hole is made to 2 feet on either side. To prevent water from backing up and draining into the egress window, 4-inch drainage pipes are inserted and are backfilled with washed stone.

Avalon Aline
Avalon Aline has a passion of writing with a deep knowledge and loves to write on different topics

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