Montana Egress Window Well Requirements

The egress well must not interfere with the egress window fully opening.

Montana egress window well requirements.

Therefore let us recap on the residential emergency escape and rescue opening requirements. The horizontal area of the window well needs to be a minimum of nine square feet with a minimum horizontal projection and vertical width of 36 inches. 5 0 square feet allowed if located at grade floor or below. The minimum horizontal area of the window well shall be 9 square feet with a minimum horizontal projection and width of 36 inches.

Windows can be of various total size but their free areas when open must be at least 5 7 square feet. An egress ladder or step may encroach into well up to 6. Ladder and steps are required when the depth is greater than 44 inches. The bottom sill height shall be no more than 44 inches from the floor.

Minimum 24 inches of net clear height opening. Width x projection egress ladders and or steps. Thirty six inches 914 mm for level or ramped aisleshaving seating on only one side. The minimum horizontal area of the window well shall be 9 square feet 0 9 m2 with a minimum horizontal projection and width of 36 inches 914 mm.

Thirty six inches 914 mm where the aisleserves less than 50 seats. Basement windows of denver by kruse construction installs code complaint egress windows that are all inspected by city building inspectors. Thirty inches 762 mm where the aisledoes not serve more than 14 seats. Montana building code code requires that the opening of an egress be equal or greater than 5 7 square feet with a minimum opening height of 24 inches and a minimum opening width of 20 inches.

Window wells are required if the window is below ground level. Building code currently requires egress windows be installed in each basement bedroom. The sill must be no higher than 44 inches from the ground. If the basement does not have a bedroom and is over 220 square feet one egress window is required.

Egress window and well requirements an egress window must open at least 20 inches wide and 24 inches high with a net clear open area of 5 7 feet square. The area of the window well shall allow the emergency escape and rescue opening to be fully opened. The area of the window well shall allow the emergency escape and rescue opening to be fully opened. Minimum 20 inches of net clear width.

The distance from the egress window to the back of the egress well must be at least 36 the minimum area of the egress well must be 9 square feet. Minimum 5 7 square feet of net clear opening area. The ladder or steps required by section r310 2 1 shall be permitted to. Given the math involved some homeowners may expect the dimensions to be the toughest part of installing a window well.

Exception thirty inches 762 mm where the aisledoes not serve more than 14 seats. To obtain more information please call 406 455 8457.