AHD13 91 x 35mm Non Slip Tredsafe Stair NosingThe AHD13 91 x 35mm Heavy Duty Tredsafe Stair Nosing is a robust, high performance safety profile ideal for heavy traffic commercial, industrial, and public settings. Engineered to deliver exceptional step edge protection, this profile combines a wide 91mm tread with a 35mm riser, making it ideal for installations where both safety and visibility are critical. As part of the trusted Tredsafe Aluminator range, the AHD13 features a glow in the dark