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// CODE SNIPPET

1025.2.4 Perimeter Demarcation Lines

Building Code 2021 of Illinois > 10 Means of Egress > 1025 Luminous Egress Path Markings > 1025.2 Markings Within Exit Components > 1025.2.4 Perimeter Demarcation Lines
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Stair landings and other floor areas within interior exit stairways, interior exit ramps and exit passageways, with the exception of the sides of steps, shall be provided with solid and continuous demarcation lines on the floor or on the walls or a combination of both. The stripes shall be 1 to 2 inches (25 mm to 51 mm) wide with interruptions not exceeding 4 inches (102 mm).
Exception: The minimum width of 1 inch (25 mm) shall not apply to outlining stripes listed in accordance with UL 1994.

1025.2.4.1 Floor-Mounted Demarcation Lines

Perimeter demarcation lines shall be placed within 4 inches (102 mm) of the wall and shall extend to within 2 inches (51 mm) of the markings on the leading edge of landings. The demarcation lines shall continue across the floor in front of all doors.
Exception: Demarcation lines shall not extend in front of exit discharge doors that lead out of an exit and through which occupants must travel to complete the exit path.

1025.2.4.2 Wall-Mounted Demarcation Lines

Perimeter demarcation lines shall be placed on the wall with the bottom edge of the stripe not more than 4 inches (102 mm) above the finished floor. At the top or bottom of the stairs, demarcation lines shall drop vertically to the floor within 2 inches (51 mm) of the step or landing edge. Demarcation lines on walls shall transition vertically to the floor and then extend across the floor where a line on the floor is the only practical method of outlining the path. Where the wall line is broken by a door, demarcation lines on walls shall continue across the face of the door or transition to the floor and extend across the floor in front of such door.
Exception: Demarcation lines shall not extend in front of exit discharge doors that lead out of an exit and through which occupants must travel to complete the exit path.

1025.2.4.3 Transition

Where a wall-mounted demarcation line transitions to a floor-mounted demarcation line, or vice versa, the wall-mounted demarcation line shall drop vertically to the floor to meet a complimentary extension of the floor-mounted demarcation line, thus forming a continuous marking.

Related Code Sections


1025.2.4 Means of Egress, Perimeter Demarcation Lines
Perimeter demarcation lines shall be placed within 4 inches (102 mm) of the wall and shall extend to within 2 inches (51 mm) of the markings ...
Building Code 2018 of Illinois > 10 Means of Egress > 1025 Luminous Egress Path Markings > 1025.2 Markings Within Exit Components > 1025.2.4 Perimeter Demarcation Lines
1025.2.4 Means of Egress, Perimeter Demarcation Lines
Perimeter demarcation lines shall be placed within 4 inches (102 mm) of the wall and shall extend to within 2 inches (51 mm) of the markings ...
Building Code 2021 of Illinois > 10 Means of Egress > 1025 Luminous Egress Path Markings > 1025.2 Markings Within Exit Components > 1025.2.4 Perimeter Demarcation Lines
1025.2.4.3 Means of Egress, Transition
Where a wall-mounted demarcation line transitions to a floor-mounted demarcation line, or vice versa, the wall-mounted demarcation line shall drop ...
Building Code 2018 of Illinois > 10 Means of Egress > 1025 Luminous Egress Path Markings > 1025.2 Markings Within Exit Components > 1025.2.4 Perimeter Demarcation Lines > 1025.2.4.3 Transition
1025.2 Means of Egress, Markings Within Exit Components
Perimeter demarcation lines shall be placed within 4 inches (102 mm) of the wall and shall extend to within 2 inches (51 mm ...
Building Code 2018 of Illinois > 10 Means of Egress > 1025 Luminous Egress Path Markings > 1025.2 Markings Within Exit Components
1025.2 Means of Egress, Markings Within Exit Components
Perimeter demarcation lines shall be placed within 4 inches (102 mm) of the wall and shall extend to within 2 inches (51 mm ...
Building Code 2021 of Illinois > 10 Means of Egress > 1025 Luminous Egress Path Markings > 1025.2 Markings Within Exit Components
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