Athmer

Athmer is a door technology manufacturer based in Arnsberg, Germany, specializing in the development and production of door sealing systems and safety solutions. With a history spanning several decades, the company is part of the Julius Cronenberg Sophienhammer (JCS) group. Athmer focuses primarily on solutions that enhance door functionality, sealing performance, and user safety in both public buildings and residential construction.

Athmer’s product portfolio includes a wide range of door sealing solutions, such as automatic drop seals, brush seals, and perimeter seals designed to reduce noise, dust, and drafts. The company also manufactures door safety systems and door-edge protection solutions aimed at preventing injuries, including finger protection systems for the closing edges of doors. In addition, Athmer offers various threshold and sealing profiles for both interior and exterior doors. Its product range also includes sealing solutions for fire-rated and smoke-control doors.

Athmer is recognized for its engineering precision and continuous product development, driven by practical experience and compliance with international standards. The brand’s solutions are widely used in public buildings, educational institutions, and healthcare facilities, where door reliability and safety are of particular importance. Thanks to its comprehensive product range and systematic approach to door sealing technology, Athmer is a trusted choice for professional construction and installation projects.