Airproof bonding
Adhesive sealants for "airproof bonding" application

The topic "airtightness of the building envelope" became more and more important over the years. Besides the constantly rising energy costs and the increasing environmental pollution the preservation of the building structure is comparably relevant to efficiently avoid expensive repair measures due to structural damage.

However the implementation of vapour barriers, window joint tapes and roof underlay sheets can only be effective if they are durably and reliable joined with the corresponding underground. COSMOPLAST "airproof bonding" achieves such permanent and tight assemblies for your necessary safety.

Testing standards

Our products are regularly tested and controlled according to the existing
DIN- and EN-standards. Moreover, we develop further test methods on special applications in close collaboration with system providers, expert committees and institutes whose criteria have to be fulfilled by the adhesives and sealing compounds additionally. Due to our engaged cooperation with research- and DIN-workshops, we play a significant role in the (issuing) creation of the respective requirements on the systems and test methods.


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Airproof bonding / dry construction


COSMO DS-450.110
PowerFilm on a roll