Stair Stringer Bolt-On Concrete - 12 Step for a Pair (2 Piece)
Rugged steel stringers engineered for secure, heavy-traffic environments, ready to install as a 12-step rise on a pair. Hot-dip galvanized for lasting protection, they’re built to handle commercial loads and demanding settings while delivering dependable performance.
Designed for versatile bolt-on concrete mounting, these stringers pair to support a clear span of up to 17 steps when paired with suitable treads and spans up to 1200mm per pair. They suit residential, office, and light commercial applications where reliability matters.
Key features
- Pair of bolt-on concrete stringers with a 175mm rise and 250mm going
- Hot-dip galvanized finish for corrosion resistance
- Compatible with in-ground, bolt-on concrete, or landing-to-landing footings
- Supports standard 50mm treads with a maximum 125mm gap between treads
- Engineered to meet relevant Australian building standards for commercial loads
Note: For wider tread spans, a third central stringer is recommended. Stringers are sold as a pair and compatible with aluminium or timber tread options up to the stated dimensions. Shipping options available. In‑store pickup available — contact us for pickup location & hours.