International Residential Code™ (IRC-2000)
Egress/Rescue Openings Code Requirements For One- and Two-Family Dwellings
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Most of Linford's Residential windows meet Egress Code. To find out which window sizes meet the code
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EMERGENCY ESCAPE AND RESCUE OPENINGS: SECTION: R 310.1
Basements with habitable space and every sleeping room shall have at least one
openable emergency escape and rescue window or exterior door opening for emergency
escape and rescue. Where openings are provided as a means of escape and rescue,
they shall have a sill height of not more than 44 inches above the floor. Where
a door opening having a threshold below the adjacent ground elevation serves
as an emergency escape and rescue opening and is provided with a bulkhead enclosure,
the bulkhead enclosure shall comply with Section R310.3. The net clear opening
dimensions required by this section shall be obtained by the normal operation
of the window or door opening from the inside. Escape and rescue window openings
with a finished sill height below the adjacent ground elevation shall be provided
with a window well in accordance with Section R310.2.
MINIMUM OPENING AREA: SECTION: R 310.1.1
All emergency escape and rescue openings shall have a minimum net clear opening
of 5.7 square feet (0.530 m2).
Exception: Grade floor openings shall have a minimum net clear opening
of 5 square feet (0.465 m2).
MINIMUM OPENING HEIGHT: R 310.1.2
The minimum net clear opening height shall be 24 inches (610 MM).
MINIMUM OPENING WIDTH: R 310.1.3
The minimum net clear opening width shall be 20 inches (508 mm).
OPERATIONAL CONSTRAINTS: R 310.1.4
Emergency escape and rescue openings shall be operational from the inside
of the room without the use of keys or tools.
BARS, GRILLS, COVERS, AND SCREENS: SECTION: R 310.3
Bars, grills, covers, screens or similar devices are permitted to be placed
over emergency escape and rescue openings, bulkhead enclosures, or window
wells that serve such openings, provided the minimum net clear opening
size complies with Sections R 310.1.1 to R 310.1.3, and such devices shall
be releasable or removable from the inside without the use of a key, tool
or force greater than that which is required for normal operation of the
escape and rescue opening.
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