In order to meet irc requirements it must provide 9 square feet of floor area ladder.
Minimum egress window well dimensions.
The area of a window well shall not be less than 9 square feet with a horizontal length width of no less than 36 inches.
Width x projection egress ladders and or steps.
All the same size and style requirements apply regardless of location.
Egress ladders and or steps are required on window wells deeper than 44 and.
To ensure you install the right egress for your basement we ll break down the residential window well code requirements you ll need to abide by.
Subtract 28 from dimension a to get the minimum required height of the egress window well.
Windows can be of various total size but their free areas when open must be at least 5 7 square feet.
The egress well must not interfere with the egress window fully opening.
Minimum size gliding egress window gliding windows with horizontally sliding sashes that always fill half the possible window opening area also have to be big to meet egress requirements.
This gives you dimension a in inches.
The overall size of this smallest double hung egress window is 14 85 sq.
Therefore it s recommended that a step is built below the window to provide easy access in case of a fire.
Egress window size needed measuring for an egress well.
They also need to be relatively large to meet the minimum size requirement for egress windows needing a space 28 inches to 60 inches wide and 23 5 inches to 60 inches high.
The horizontal dimensions of the window well shall provide a minimum net clear area of 9 square feet 0 84 m2 with a minimum horizontal projection and width of 36 inches 914 mm.
Required window wells must be at least 760mm away from the window to allow.
The sill must be no higher than 44 inches from the ground.
In order to exit your home from a basement window or to accommodate rescue personnel your egress window well needs to be large enough to admit a person of any size.
Ft almost twice the area of the egress casement window shown.
Dimension a 28.
Egress window well code requirements.
However basement windows are typically higher than 1 5m above the floor.
Egress window and well requirements.
Sliding egress windows gliding or sliding egress windows slide open horizontally like sliding glass doors and must be at least 4x4 square feet to meet 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 ladder or steps required by section r310 2 1 shall be permitted to encroach a maximum of 6 inches 152 m m into the required dimensions of the.
When the sill height of an egress window is located below grade common for egress windows provided for a basement a window well must be provided.
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.
