Provides easy ladder-to-roof access over high parapetsLightweight and maintenance-free aluminum construction1-14 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 additional cost.