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Dense Asphaltic Concrete (DAC)

Dense Asphaltic Concrete (DAC)

WALO can look back at over 75 years of world-leading, technical engineering expertise and the necessary specialist know-how and modern equipment to provide the highest quality Dense Hydraulic Asphalt or Dense Asphaltic Concrete (DAC) solutions required by our customers.

Our impermeable barrier systems are made from clean, natural aggregates, fillers, sand, and bitumen and are installed using specialized laying and compaction techniques developed and refined by our engineers and technicians. Due to its high material density, Dense Hydraulic Asphalt is resistant to chemical and biological as well as mechanical forces or deformation.


What special qualities make Dense Asphaltic Concrete (DAC) an ideal lining system?

  • Totally impermeable against very high pressure of water and liquids without joints.
  • Resistant to ageing with proven longevity.
  • Withstands large and rapid changes of water levels and temperature.
  • Extremely stable, even on steep slopes of up to 150 m (500 ft) long and gradients in excess of 1:1.2.
  • Very robust, can withstands traffic, rock falls or ice abrasion immediately after placing.
  • Remains very flexible, even under extreme pressure.
  • Quick to lay with outputs of over 5,000 m2 (53,000 sq.ft.) achieved on a daily basis.
  • Environmentally friendly and non-toxic.
  • Approved by Regulatory Bodies around the world
Leistung: Dense Asphaltic Concrete (DAC)

Our Locations

2700 Corporate Dr, Suite 200
Birmingham AL, 35242
United States

+1 847 224-0335

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29 Weeping Cross,
ST17 0DG Stafford
United Kingdom

+44 (0) 1785 719793

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Heimstrasse 1
8953 Dietikon

+41 44 444 31 11

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Where to find us

Impressum schliessen

Responsibility is the official website of WALO US Holdings Inc.


WALO US Holdings Inc.
433 Broadway, Suite 604
New York, NY 10013
Tel. +1 (212) 691-4537


Concept / Design / Implementation

WALO – ABSURD – Gestalter


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WALO IT-ServiceDesk

Phone +41 848 000 118
Monday – Friday 06:30 – 12:00 AM / 01:00 – 05:30 PM


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