Curved Stair Treads & Nosings

Interior & Exterior Application

A number of Latham Asbraloy and Asbrabronz profiles can be curved to convex and concave radii. The actual achievable radius will be dependent on whether the profile is to be curved in a convex or concave fashion and also the material type and profile.

In general the tightest radius that can be achieved with stair tread nosings and inserts is approximately 1750mm, although this varies from profile to profile and the requirement should be discussed with a Latham representative.

Curved Stair Tread Nosings and Tread Inserts are available in a number of profiles including the surface mounted 834 ST and even some recessed LED Tredlite profiles.

When supplying curved Stair Tread Nosings and Inserts, the profiles can be curved to architectural drawings or preferably hard templates should be supplied with the order to ensure the treads or inserts are in accordance with the actual site requirement as opposed to a drawing detail.

Asbraloy Aluminium profiles that can be successfully curved are, 834ST, 513SHD, 745S, 745SB, 765S, 765SB, 775S, 775SB, 322S, 493S, ACS-20 and ACS-50, whilst from the LED Tredlite range in Aluminium, the TL-25FL-745 S and TL-25DECBOT-745 S can also be curved.

The following Asbrabronz Solid Brass profiles can also be successfully curved. B503S, B745S, B745SB, B765S, B765SB, B775S, B775SB, B322S, B483S and BCS-20, whilst from the LED Tredlite range in Brass TL-25FL-B745 S and TL-25DECBOT-B745 S can also be curved.

Lengths
All Asbraloy and Asbrabronz profiles are supplied factory cut to the site required length (up to 4600mm in one continuous length), complete with countersunk holes, stainless steel or brass screws (depending on the selected section) and plastic plugs. If specified at time of order treads can be supplied in full manufacturing lengths of 4600mm for on site cutting and drilling to suit clients supplied fixings.
Factory Cutting Tolerance: +0/-3mm.

Colour Range Slip Resistant Infill
Asbraloy Aluminium Suregrip standard infill colour is sparkling black. Asbrabronz Brass Suregrip standard infill colour is brown. Optional Supagrit infill colours available on request.

Finishes 
Asbraloy Aluminium profiles are supplied in mill finish. On request profiles can be supplied with a polished bullnose or in clear anodized finish at additional cost. In marine type applications Asbraloy profiles should be specified with 20 micron clear anodised finish. Asbrabronz  Brass profiles are supplied in brush finish. On request Asbraloy and Asbrabronz profiles can be supplied with a polished bullnose.

Screw Fixing Holes
Unless otherwise specified at time of order, holes will be provided in the treads to suit 8 gauge stainless steel or brass screws  at Latham’s standard 250mm centres.  Any special machining, mitering, modifications or alternative hole locations will be carried out at extra cost.

Additional Services and Accessories
Latham Australia offer a range of factory additional products and services to compliment the wide range of Asbraloy and Asbrabronz treads and inserts offered. These include leveling compounds, adhesives, cleaning and maintenance products, cutting wheels, varied fixing accessories, extra chemical resistant inserts, miter and special factory cutting, bevelled edge and much more. Further details are available.

Compliance and Testing Information
The Asbraloy and Asbrabronz range of treads and inserts have undergone rigorous and extensive including slip resistance testing, luminance testing and fire testing. Further details are available.

Special Note: Customers with special applications are invited to discuss them with us. Service Factors must be taken into consideration when selecting stair tread profiles.