Durafalt®

Durafalt is a high-performance SHW Clause 942-approved surface course system laid by any Hanson approved Licensed Laying Contractor. The Stone Mastic Asphalt (SMA) derived mix uses 40/60 pen grade bitumen and is suitable for both road maintenance and new road construction. It is available in 14mm, 10mm and 6mm nominal sizes and a range of PSVs.

The high coarse aggregate content provides an interlocked framework giving good resistance to deformation while the rich mastic ensures maximum durability. The mix design and choice of aggregate size provide a texture depth that is retained in accordance with Clause 921, and give significant noise reduction over more traditional surfacings, such as hot rolled asphalt and concrete.

Benefits

The main advantages of Durafalt are:

  • Restores texture and skid resistance
  • Strong and durable
  • Excellent resistance to deformation
  • Enhanced ride quality
  • Good noise reduction
  • Reduced spray
  • Provided as a system – Hanson manage the approval process
Skid resistance.
Resistance to deformation.
Enhanced ride quality.
Noise reduction.
Spray reduction.

Applications

  • Motorways

  • Trunk roads
  • Local Authority network

Durafalt technical data

Coarse aggregate

Los Angeles abrasion value30 max
Aggregate abrasion valueAs specified in SHW
Clause 942 (Appendix 7.1)
Flakiness index20 max (6mm 30max)
Nominal sizes6mm; 10mm; 14mm
Binder40/60 pen
AdditiveCellulose fibre
Layer thickness
Details of constituent quality and layer thickness shown below
6mm nominal size20 – 30mm
10mm nominal size25 – 50mm
14mm nominal size35 – 50mm
Surface texture (on installation)
10mm medium texture

1.1 – 1.6 mm
( HA Clause 942 Level 2)

14mm medium texture1.3 – 1.8 mm
(HA Clause 942 Level 3)
Road and laboratory test results
Torque bond> 400 kPa
Wheeltracking (BSEN 12697 – 22
procedure B category WTS Air 1,0)
Highways England Claus 942 Level 3
Water sensitivity (retained stiffness)Minimum 80%
Stiffness>2500 MPa
NoiseHighways England Claus 942 Level 3
 

Durafalt® D

A high binder content and low air voids is at the core of this durable solution, which is ideal for low speed sites. The texture of this product is approximately 1mm.

For more information on this product, please email the asphalt technical team on asphaltsales@hanson.com.

Asphalt tonnage calculator.
BBA approval inspection testing certificate.

Hanson Asphalt - a national business with a local focus

From sites across the country, Hanson Asphalt produces quality-assured asphalt designed to suit any application.

asphaltsales@hanson.com

Obtain a quote: 0330 123 4515
Cash Sales: 0330 123 0665
Place an order: 0330 123 4550

MQP (Midlands)

Sales: sales@mqp.co.uk

Sales: 0153 083 2244
Orders: orders@mqp.co.uk
Orders: 0153 083 2222

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