Heavy-duty timber doors provide ideal solutions for combining functionality and design in the best possible way. In particular, the requirements posed by prestigious areas, such as public buildings that are often frequented and experience considerable loads, can be satisfied while maintaining a visually pleasing appearance. With VARIANT Heavy-duty, particularly heavy-duty doors up to 400 kg can be used, while the heavy-duty timber doors from the TECTUS brand can be installed so as to be almost invisible in their environment.