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Stair Stringers

Description

Available in 1 to 17 treads up to a metre wide. Manufactured in Pre-galvanised tube suitable for most installations or fully hot dipped galvanised for heavy duty or seaside applications.

Stair stringers are generally manufactured in pairs and are available in 3 configurations;  landing to ground (bolt down base ), landing to ground (inground base), or landing to landing.  Standard rising is 175mm and standard going is 250mm.

 

Configuration 1 – Landing to Ground (bolt down footing)

 

 

Configuration 2 – Landing to Ground (inground footing)

 

 

Configuration 3 – Landing to Landing

 

 

Pre-galvanised stringers are made from Duragal or equivalent pre-galvanised RHS and galvanised stair tread brackets.   Hot dipped galvanised stringers are first manufactured and then sent to the galvanisers who will immerse the completed fabricated product into molten zinc.  This process provides are thicker coating than the pre-galvanised product.

The following table shows the number of treads required for various vertical heights and horizontal lengths based on a standard rising is 175mm and a standard going is 250mm.

 

NUMBER OF STEPS Vertical Height Weight Per Pair Horizontal Length
mm Kgs mm
1 350 10 250
2 525 15 500
3 700 20 750
4 875 25 1000
5 1050 30 1250
6 1225 35 1500
7 1400 40 1750
8 1575 45 2000
9 1750 50 2250
10 1925 55 2500
11 2100 60 2750
12 2275 65 3000
13 2450 70 3250
14 2625 75 3500
15 2800 80 3750
16 2975 125 4000
17 3150 135 4250