Our Stair Stringers are Made in Australia.
 
RHS Size: 75mm X 50mm X 2.5mm
RHS Bolt Hole: 14mm
Tread Bolt Hole: 8mm / Slots: 11mm X 18mm
Rise: 175mm
Going: 250mm
Tread: 3
Finishing: Hot-Dip Galvanised
 
Steel Stair Stringers are fabricated and hot dipped galvanised with a Rise of 175mm and a Going of 250mm. Stair Stringers are designed to be suitable for residential / domestic / office / commercial applications with a clear span to 17 steps when installed with the use of either aluminium step treads or timber treads to a maximum of 1200mm tread width per pair. For wider tread spans a third central stringer must be used. The standard Stringers are constructed to suit 50mm treads to achieve the maximum gap of 125mm between the treads.
Stair Stringers are sold as a pair. Available in 3 footing configurations as a standard product - In-Ground / Bolt-On-Concrete / Landing To Landing. All Stair Stringers are engineered to support the weight for commercial 4kPa loads. Compliant to all relevant Australian Standard Building Codes.