Introduction RKZGD Safety Stair Tread Nosing has been specially anodised in a god/brass colour designed for installation over new and existing steps and stairways. It is applicable where pedestrian safety & longevity are the particular concerns. The RKZGD Stair Nosing meets the luminance contrast requirements of the AS/NZ 1428-2009 Ultimate in Anti-Slip Safety with a choice of coloured rubber insert, carborundum or luminous glow-in-the-dark ï‚· A flexible 51mm serrated PVC Nitrile rubber insert. Meets the requirements of AS/NZS 4586 and available in standard colours of black, safety yellow or grey. 3mm fibreglass base 51mm carborundum insert in any colour 3mm x luminous glow-in-the-dark rubber insert Material ï‚· 10 um anodised aluminium 3mm thickness weighting 0.694Kg/m Size ï‚· Outside dimensions 37mm x 75mm Profile ï‚· Round edge turndown with bevelled serrated back edge ï‚· 8mm diameter countersunk holes are provided at 280mm centres Length ï‚· Available in 3620mm lengths or cut to required sizes Fixing ï‚· On suitable surfaces the nosing can be fixed using an adhesive or by drilling and screwing ï‚· A double sided fibreglass tape is provided to secure the insert over the fixed screws.