what is the purpose of a door closer?Fire doors should be kept closed at all times – a door closer ensures that the door will mechanically close automatically after it has been opened.Most closers feature dampers which offer a level of control over the force and speed at which the door closes. This

what is the purpose of a door closer?Fire doors should be kept closed at all times – a door closer ensures that the door will mechanically close automatically after it has been opened.Most closers feature dampers which offer a level of control over the force and speed at which the door closes. This

what is the purpose of a door closer?Fire doors should be kept closed at all times – a door closer ensures that the door will mechanically close automatically after it has been opened.Most closers feature dampers which offer a level of control over the force and speed at which the door closes. This

what is the purpose of a door closer?Fire doors should be kept closed at all times – a door closer ensures that the door will mechanically close automatically after it has been opened.Most closers feature dampers which offer a level of control over the force and speed at which the door closes. This