井上鐵工 List of Products and Services

"Silence" is a groundbreaking soundproof door that incorporates a uniquely developed noise-canceling system. Its simple structure makes maintenance easy. The gap at the frame's contact area prevents pinching, making it a user-friendly door. 【Features】 ■ Achieves sound insulation performance with a standard lever handle or doorknob ■ The specifications for the door frame's fitting area are standardized, allowing compatibility with other types in this product series ■ Unlike Greymon handles, it does not use rods at the top and bottom of the door, eliminating concerns about scratches on the floor or ceiling *For more details, please download the PDF or feel free to contact us.

• Automatic door opening and closing devices for entrances and exits (auto doors)