Latham Asbraloy S Series Recessed Safety Stair Tread Nosings are designed for new and existing applications where pedestrian safety, stair appearance and stair longevity is of particular concern. The systems can be recessed into new work or recessed into existing floor finishes. All S Series Recessed Mounted Safety Stair Tread Nosings are suitable for internal or external applications and are available with a wide range of insert colours.