List of featured suppliers of DOOR CLOSERS Overhead: on Building Products Index
A door closer, overhead is a type of mechanical device that is designed to automatically close a door after it has been opened. This device is typically installed on commercial or public building doors to ensure that they close securely and prevent drafts, noise, or unauthorized access. Door closers, overhead come in various sizes, shapes, and styles, with different mounting options and closing forces to suit different door types, weights, and traffic volumes. They are typically operated by a hydraulic, pneumatic, or electromechanical mechanism that regulates the speed and force of the door's closing motion, and may include adjustment features for regulating the backcheck, hole-in-head, or hold-open functions. Some door closers, overhead may also incorporate additional safety features, such as smoke detectors, alarms, or emergency exit buttons, depending on the building code requirements and the intended use of the door.
