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Wear Resistance of GA Premium Aluminium Alloy Stair Nosings

This article follows a recent one about wear resistance testing on black anodised stair nosing.

Premium Aluminium Alloy Stair Nosings

Just returned from the testing lab is a natural (silver) anodised sample from our selection of Premium stair nosings.

A biomechanical walking machine subjected the tread surface to 1,000,000 abrasion footfalls (500,000 downward & 500,000 upward movements) to a walking action from a standard shoe.

During the test forces are applied that replicate the average person’s gait. Approximately 1000N at heal impact through to 900N at forepart impact.

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Premium Aluminium Alloy Stair Nosings

Elegance and robustness are qualities that can sometimes be difficult to combine into a single product.

However, GA’s elegant Premium Stair Nosings with an anodised finish have recently been subjected to a rigorous abrasion resistance assessment with excellent results.

A biomechanical walking machine subjected the tread surface to 1,000,000 abrasion footfalls (500,000 downward movements & 500,000 upwards).

The visual inspection after testing concluded: –

Slight sole marking evident on wear surface, no cracking or damage of stair nosing.

For the purposes of the test a black anodised nosing was selected because, any significant tread wear would be clearly revealed, with the aluminium surface showing through.

After 1,000,000 biomechanical footsteps the black anodised finish remained intact.

Note 1. A copy of the original test report is available upon request.

Note 2. The results can also be considered relevant to GA Premium CMS Nosings, as the modified back edge has no bearing on the wear testing.

Intended for interior applications, GA’s invisibly fixed Premium Stair Nosings/Treads are available with alternative back edge options, making them suitable for different types of flooring.

To find out more about our Premium Aluminium Alloy Stair Nosings, click here.

Aluminium Alloy Stair Nosings
The image was taken by Gooding Aluminium Ltd after the return of the tested sample.

Ordering and specifying elegant Premium stair nosing

Elegant and hard wearing these ‘invisibly fixed’  Premium stair nosings are elegantly finished in anodised aluminium. With all of our aluminium stair nosings there is a selection of back edge options, these can be combined with hard and soft flooring surfaces of different thicknesses.

Features – Benefits

  • Ridged tread design – Secure grip
  • Nosings/Treads in 3 colourways – Options for contrasting effects
  • Fluted pattern – classic linear look
  • 55 & 30mm front face options – Design alternatives
  • ‘Invisibly’ secured – No visible fixings
  • Self-adhesive tread inserts – Easy dry fit fixing
  • Surface finished – Ready to use
  • Satin anodised – high quality finish
  • Choice of back-edges – Suitable for different flooring types
  • Aluminium alloy – Harder wearing
  • 3.1 metre stock lengths – Easy transportation
  • Pre-cut and drilled option – Time saving (call us to discuss)
  • In stock – Immediate availability
  • Supplied as single lengths – No minimum quantity

Intended for interior applications, GA’s invisibly fixed Premium Stair Nosings/Treads are available with alternative back edge options, making them suitable for different types of flooring.

premium stair nosings
Image: New Look Fashion – Cardiff

 

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What kind of aluminium stair nosings are available?

If you’re looking for aluminium stair nosings that are both visually appealing and slip resistant then you’ve come to the right place!

We are able to provide a comprehensive selection of different design options for aluminium stair nosings or stair treads.

Stair nosings

We have 3 different types of stair nosings available:

1401main1. GA Step-Up Premium Stair Nosings with Super Grip Treads

Elegant and hard wearing these ‘invisibly fixed’ pre-drilled stair nosings are beautifully finished in anodised aluminium. You can select from 3 anodised insert finishes and these are; silver, Anolok blue/grey and Anolok black.

With these original and all aluminium contemporary stair nosings there is a selection of back edge options, these can be combined with hard and soft flooring surfaces of different thicknesses.

If you would like to find out more about the Premium Stair Nosings, click here.

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Stair nosings – Regulations to consider for architects and specifiers

According to building regulations stairs, ladders and ramps have to be designed, constructed and installed in a way that is safe for people moving between different levels in or about the building. Gooding Aluminium therefore takes a deeper look at regulations to help ensure specifiers are compliant when installing aluminium stair nosings.

Stair nosings Size

According to Building Regulations (K&M), BS8300 and BS9266, the recommended dimension of a stair nosing should measure between 50-65mm and the riser 30-55mm. This ensures there is a large enough ‘band’ on the nose of the step.

Colour

Building Regs (K&M), BS8300 and BS9266 explain that the colour of the Stair Nosing is required to differ from that of the floor covering.

Every colour has a Light Reflectance Value (LRV) of between 0 (Black) and 100 (White). The documents indicate that there should be at least 30 points difference between the Stair Nosing LRV and that of the floor covering, e.g. If the floor covering has a LRV of 50, then the Stair Nosing should have a LRV of between 0-20 or 80-100. This helps create the ‘ladder effect’.

Slip resistance

The tread material used in a Stair Nosing is important for the safety and performance of a stairway. There are two recommended tests that can be carried out to determine the slip resistance of a flooring material.

The pendulum test (PTV) and a surface micro roughness measurement (Rz). Either of these can be used to give an indication of the slip resistance of a material, although the Pendulum method is limited in so far as it cannot be used to test material on site.

Coverage of the tread material

Looking at the guidance provided for the coverage of the tread material on the top surface of the Stair Nosing, it explains that the tread is the surface of the Stair Nosing which receives ascending or descending footfall. The IP 15/06 states that the Stair Nosing tread material should extend to the front edge to the point at which it meets the vertical face in order to minimise the risk of a slip in descent.

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Gooding Aluminium Limited, 1, British Wharf, Landmann Way, London, SE14 5RS. VAT No. 335 6311 72. Registered in England No. 01446419