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No.1 bituminous geomembrane for waterproofing civil engineering structures and protecting environment

More than 30,000,000 m² or 322,000,000 ft² of COLETANCHE® bituminous geomembranes manufactured by Axter have been installed worldwide, making it thus a reference waterproofing product for civil engineering, mining applications and protecting natural resources.

A unique concept


High performance and adaptability to every type of climate and environment make COLETANCHE a unique solution for multiple applications.


Technical mastery of new solutions on the market is an essential performance factor for companies. Find out more about the field trainings delivered by our internal trainers.

Contact us for on-site trainings

Our references

COLETANCHE® is choosen as a solution to ensure for waterproofing civil engineering international projects.

Company news

Happy New Year 2023 !

Happy New Year 2023 !

The Coletanche team sends you their best wishes for the new year.

Our participation to trade fairs

Our participation to trade fairs

Meet us at the various professional trade fairs organised in 2023.



Discover our new corporate movie and the core values of Coletanche.

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World implantations
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References in more than 70 countries
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30 Million m² laid worldwide
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