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Stone Mastic Asphalt

SMA 

Increasing traffic volumes, higher axle loads, changes in our climate − the challenges road construction experts around the globe have to face.

Stone Mastic Asphalt (SMA) has shown its outstanding performance on a variety of road surfaces throughout the world for more than 40 years − making SMA one of the most popular surfaces courses used.

SMA is based on the concept of a self-supporting stone skeleton, with a thick mastic and high binder content. This is made possible by using high performance fiber pellets. The low void content makes the compacted layer practically impermeable to water.


  • Safe
  • Versatile
  • Durable 
  • Economic

With these features, SMA fulfils all the requirements of modern infrastructure − offering its benefits to road users, local authorities and the asphalt industry alike.

Stone mastic asphalt

Stone Mastic Asphalt (SMA)
Surface Courses

The perfect solution to meet the challenges of modern roads - mobility at its best, all around the world.

The Concept

Aggregates

Crushed high quality aggregates for a self-supporting stone skeleton with a discontinous gradation


Binder

Higher bitumen content to achieve thicker binder films


Additive

VIATOP® Das Pellet.
Bitumen coated fiber pellets to inhibit binder drainage!

Stone Mastic Asphalt 11 S
SMA

Advantages / Benefits of Stone Mastic Asphalt

Safe

  • Excellent skid resistance
  • Better visibility
  • Minimized aquaplaning

Reliability

  • Long term approved mix design
  • Controlled mix production
  • Easy to lay and compact

Economical

  • Sustainable use of financial fund
  • Less maintenance costs
  • The mix with spare capacity

Durable

  • Best deformation resistance
  • Convincing performance against wear and tear
  • Impermeable due to low air void content
  • Outstanding long service life

Versatile

  • For Highways
  • For Motorways
  • For National roads
  • For Cityroads
  • For Airports
  • For industrialareas

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