As a manufacturer and developer of sealing profiles, DEVENTER is a specialist in making window and door systems windproof, waterproof and soundproof, as well as smoke-resistant and fire-retardant. We manufacture sealing profiles, which guarantee our customer both a technically and aesthetically optimally performing sealing solution and the comfort expectations of the end user are guaranteed. The knowledge and experience acquired over the years, various test reports on fire and noise as well as the various demonstrable certificates and quality marks attest to our expertise. Whether it concerns profiles from our extensive range or profiles customised entirely according to your wishes, our team of specialists always provides an exact-fit solution in accordance with the project requirements and customised for the situation. A DEVENTER solution stands for continuous high quality, high delivery reliability and is also produced in a sustainable manner and is Cradle to Cradle Silver certified. We are the environmentally-aware developer of sealing profiles, now and in the future.