Home Page, Commercial Floor Closers Mounted in the floor for unobtrusive door control, these closers are available for most applications and are particularly suited to heavy doors. They may often go unnoticed, but their overall effect is often quite breathtaking. They open and close, swing and slide. And they just look so good. A stylish solution for solid glass doors, patch fittings hide most of the door control hardware, leaving only chrome or brushed plates visible.