The ASL20 57 x 55mm Slimline Tredsafe Stair Nosing Edge Trim is a premium DDA-compliant rakeback profile designed for superior visibility, safety, and durability in both commercial and domestic environments. Crafted from tough aluminium with a 57mm tread and 55mm riser, this profile is ideal for high-traffic staircases where public safety and aesthetic integration are key.

Part of the Tredsafe Aluminator® range, the ASL20 features a photoluminescent insert that charges from natural or artificial light and glows in the dark. This ensures clear stair-edge visibility in power outages or low-light situations, enabling safer evacuation — all without the need for power, wiring, or batteries.

Engineered for external and internal use, this rakeback profile includes a high-grip, non-slip PVC insert and is compatible with a wide range of surfaces including concrete, timber, tile, vinyl, steel, and checker plate. Pre-drilled through the insert for secure screw fixing, with colour-matched pips included to conceal screws. Optional undrilled or drilled-only channel configurations with separate inserts available on request. Fixings not included.

Key Features:

• Dimensions: 57mm tread x 55mm riser
• Heavy-duty aluminium rakeback profile
• DDA compliant – suitable for accessibility and building regulation standards
• Durable non-slip Tredsafe PVC insert for high-grip safety
• Aluminator® glow strip illuminates in darkness or power failure
• No wiring or electricity required – charges from any light source
• Pre-drilled with insert pips included; custom options available
• Compatible with concrete, wood, tile, steel, vinyl, and checker plate
• Maintenance-free and suitable for external or internal applications
• Insert colours available to enhance visibility and match aesthetics