L-shaped stair markers are allowed as side edge markings on both horizontal sides of each step. These glow-in-the-dark stair markers provide a bright, long-lasting afterglow that helps guide people to safety during a lights-out evacuation. Save time and avoid product waste with convenient pre-cut "L" shaped markers that fit easily. Brady B-564 BradyGlo High Intensity Anti-Slip Floor Material is a glow-in-the-dark (photoluminescent) pressure sensitive adhesive coated anti-slip egress marker. Brady B-564 BradyGlo High Intensity Anti-Slip Floor Material is used for signs and tape, such as: low-level exit path markings, floor mounted signs, steps, leading edge of landings and floor perimeter demarcation lines. Relevant Standards: Complies with all indoor use requirements specified in RS 6-1 and 6-1A of New York Local Law 26 including photoluminescence, washability, flammability, toxic gas generation and radioactivity. approved Model Numbers Accepted For Use, City of New York, Department of Buildings: MEA No. 276-05-M BR: 38-9-6. Illuminescent Characteristics: Illumination: 21.6 lux (2 foot-candles) for 2 hours with a 4100K cool white fluorescent lamp. Luminance (after illumination): 10 minutes 38 mcd/m2, 60 minutes 9 mcd/m2, 90 minutes 6 mcd/m2. Adhesive Type: Pressure Sensitive Synthetic Rubber. Substrate Type: Phosphorescent polyester film overlaminated with a velvet embossed rigid clear vinyl overlaminate. Adhesive Properties: Adhesion to Stainless Steel (PSTC-1), 15 Minute Dwell (Avg.) - 168 oz/in. (184 N/100mm), Ultimate Dwell (72 Hrs.) (Avg.) - 190 oz/in. (208 N/100mm). Abrasion Resistance (Method 5306 of U.S. Federal Test Method Std. No. 191A): H-22 wheels, 1000 g wts., Overlaminate withstands up to 7000 cycles. Thickness (PSTC-33): 0.0185 in. (0.47 mm).