NBS Source
Conservation X Concrete Step Riser

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

As per manufacturer and includes silver grey.

Grey

Finish

Textured

Material

Includes hydraulically pressed concrete.

Concrete

Shape

Rectangle

Size

400 x 65 mm

400 x 50 mm

450 x 50 mm

Uniclass

Pr_25_93_60_16 Concrete flagsPrimary

CAWS

Q25/315 Concrete flags

Q25/31 Concrete flag paving system

Product range

Paving

Specification data - Concrete flags Enhanced data

Standard

To BS EN 1339.

Physical properties

-

Colour

Silver grey.

Finish

Textured.

Dimensions and associated tolerances

-

Nominal sizes

400 x 50 mm.

400 x 65 mm.

450 x 50 mm.

Weathering resistance

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

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.

Abrasion resistance

≤23 mm (Wide Wheel Abrasion Test).

Slip resistance

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.

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