DDimensions.
Architecture · Windows

Egress Window Sill Height

Maximum sill height above the finished floor for a bedroom egress window.

1118 mm / 44 in max

Description

Emergency escape and rescue openings (typically required in bedrooms) must have a sill low enough for occupants to climb out unaided, and must meet minimum net clear opening area, height, and width requirements.

Sources

  • International Residential Code (IRC)

Tags

Values

Maximum sill heightMaximum
1118 mm44 in
Minimum net clear openingMinimum
530,000 mm²5.7 sq ft
Minimum clear opening heightMinimum
610 mm24 in
Minimum clear opening widthMinimum
508 mm20 in