The Americans with Disabilities Act requires that all buildings must be accessible to disabled persons. Failure to comply may result in monetary damages and civil penalties. According to ADA rules and regulations, for every inch of rise you must have a foot of ramp in length. TELESCOPIC RAMP is constructed of lightweight aluminum extrusion. Top surface is serrated for positive traction. FOLD-A-WAY RAMP easy, one person storage and handling. Slip-resistant surface provides extra traction. Each ramp comes with 2 handles for easy positioning.