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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 Asphaltic Concrete (DAC) Lining 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, DAC is resistant to chemical and biological as well as mechanical forces or deformation.


What special qualities make 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

Heimstrasse 1
8953 Dietikon

+41 44 444 31 11

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700 Milam Street, Suite 1300
Houston, TX 77002
United States

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433 Broadway, Suite 604,
New York, NY 10013
United States

+1 (212) 691-4537

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Communication House, University Court,
Staffordshire Technology Park
ST18 0ES Stafford
United Kingdom

+44 (0) 1785 719793

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Where to find us

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Responsibility is the official website of Walo US Holdings Inc.


Walo US Holdings Inc.

700 Milam Street, Suite 1300

Houston, TX 77002

Tel. 001 (832) 871-5270


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