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COLETANCHE - the bituminous geomembrane offering the optimal solution in environmental protection and hydraulics.

COLETANCHE - offering an integrated quality system, controlling manufacture, installation and our after-sales service network.

COLETANCHE – the customised, high performance solution.

COLETANCHE is manufactured in an ISO 9001 certified plant.

The COLETANCHE range of products is now available in wider rolls to facilitate a greater diversity of applications and to reduce the number of seams.

The range includes:

· COLETANCHE NTP based on oxidised bitumen
· COLETANCHE ES based on elastomeric bitumen

Anti-root Film

The purpose of the PET anti root film is self explanatory. It prevents penetration of the membrane by plant roots.

Glass Mat

The glass mat provides stability during manufacture as well as contributing to the tensile strength of the material

Non-woven geotextile

The non woven geotextile provides mechanical resistance such as tensile strength, static and dynamic puncture and tearing.

Impregnation and coating bitumen and filler

A specially designed bituminous binder - an oxidized or polymer modified bitumen and filler. This bituminous binder provides waterproofing, chemical resistance and the ageing behaviour of the membrane.

Sanding

The sanded upper side of Coletanche contributes to an increased angle of friction with overlaying soil.
The sanded surface also prevents sticking to the membrane during warm weather.