- Provides easy roof and mezzanine access - Recommended for use in high or hazardous locations such as areas in close proximity to a roof edge or high-voltage power lines - Lightweight and maintenance-free aluminum construction - 1-1/4″ patented deeply serrated square rungs for maximum grip and foot traction - Non-spark, high strength 6061-T6 alloy rungs and 6063-T5 alloy extrusions - Rungs capable of withstanding 1,500 lb. load - Standard floor mounted bracket included. Options for Off-floor Mounting Bracket with 7″ backset also available - Comes with standard mill finish but can be anodized or powder coated to any color or finish specified for an additional cost