Stairs & Handrails

Treads

Stair Stringers

The Metal Warehouse DYI Handrail Balustrade with stairs outline case

Handrails

Buy Stair Stringers Case Outdoor Gardin Decking

Stair Stringer - 3 Tread Pair 1/2

Stairs & Handrails

Configurable off the shelf in 1 to 17 treads in a continuous pair, Dual Stringers can cover up to
3150mm in vertical height.

Suitable for interior or exterior applications, These Stair Stringers are robust and weather resistant, hot-dip galvanised for maximum corrosion resistance.

Features

Designed with walking comfort in mind, Our Stair Stringers have an incline angle of 34.75 degrees with steps placed at a consistent 175mm rise allowing for a ‘going’ distance of 250mm.

- Simple to configure design.
- Easy to install via concrete cast-in or optional bolt-down bracket available.
- Hot-dip galvanised to AS/NZS 4680:2006.
- Designed to take a maximum tread width of 1000mm.
- Rectangular Hollow Sections (RHS) of up to 5mm thickness.
- Complies with the National Construction Code^ when a minimum tread height of 50mm is used.
- Complies with AS1657:2018, engineered to the requirements of AS1170.1:2002 (up to a UDL of 4.0kPa and a point load of 4.5kN).

^ Dual Stringers comply with the requirements of the National Construction Code Volume 2 for Class 1 and 10 buildings Part 3.9.1 when installed with treads at least 50mm thick. The minimum 50mm thick tread is to meet the dimensional requirements of Figure 3.9.1.4 to prevent a 125mm sphere from passing between the treads.

Configuring Dual Stringers

To calculate the number of treads required simply:

1. Measure the vertical height from the ground to the finished floor level of the landing.

2. Divide the height by the rise of each tread (175mm)

3. Round the result to the nearest whole number, then reduce by one for the top landing. The result is the number of treads required.

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Stairs & Handrails

Stairs & Handrails