BBA Certificate

KÖSTER Deuxan 2C received the BBA certificate (Technical Approval for Construction) from the British Board of Agrément in Watford, Great Britain, on April 4, 2018.

Resistance to water and water vapor as well as resistance to mechanical damage and durability have been certified. KÖSTER Deuxan 2C can be used for horizontal and vertical waterproofing in above-ground and underground constructions. A sustainable moisture and waterproof barrier with KÖSTER Deuxan 2C has been officially certified with this certificate.

The BBA certificate is a test certificate for construction products that is often required internationally in tenders. The certificate was obtained together with our sister company KÖSTER Aquatecnic in Great Britain.


KÖSTER Deuxan 2K-Spachteldicht



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