NBS Source
I'm a manufacturer

Application

Suitable for use with the manufacturer's Saxon, Perfecta and Conservation ranges of paving.

Description

Concrete step risers to match the manufacturer's Saxon, Perfecta and Conservation ranges of paving.


Features and benefits:

  • Tread front edges are finished to match, and have a 3 mm chamfer.
  • 55 mm wide visibility strips are set 35 mm back from the edges of treads and at the top of risers.

General information

Color

Grey

Manufacturer guidance

As per manufacturer and includes silver grey.

Finish

Textured

Material

Concrete

Manufacturer guidance

Includes hydraulically pressed concrete.

Shape

Rectangle

Width

400 mm

450 mm

Height

50 mm

65 mm

Uniclass

Pr_25_30_90_18 Concrete step unitsPrimary

CAWS

Q25/315 Concrete flags

Q25/31 Concrete flag paving systems

Product range

Paving

Specification data - Concrete step units

Standards

To BS EN 1339.

Colour

Silver grey.

Finish

-

Treads

Textured.

Risers

Textured.

NominalSize

400 x 50 mm.

400 x 65 mm.

450 x 50 mm.

PhysicalPropertiesWeatheringResistance

≤1.0 kg/m² as a mean with no individual value >1.5 kg/m² (freeze thaw durability).

Guidance for specification option:

It should be appreciated that with all products weathering and site conditions can cause shade variation to appear across the surface of individual units. This does not in any way affect the performance of the units and any such variation will diminish over a period of time as the product matures.

PhysicalPropertiesAbrasionResistance

≤23 mm (Wide Wheel Abrasion Test).

PhysicalPropertiesSlipResistance

Mean unpolished skid resistance value (USRV): >45.

Bending strength

Characteristic bending strength of 4.0 MPa with no individual result less. than 3.2 MPa.