FORMERLY MCKINNEY DOOR SOLUTIONS & AMERICAN DOOR PRODUCTS - NOW UNITED AS AMERICAN DOORS.
A mechanical device that automatically closes a door after it has been opened, essential for fire doors, accessible entries, and security applications. Door closers control closing speed and force to prevent slamming while ensuring positive latching.
Closer types include surface-mounted (most common, mounted on door face or frame), concealed overhead (hidden in door head and frame), concealed in-floor (for heavy doors or architectural applications), and spring hinges (combined hinge and closing function). Sizes range from Size 1 (interior residential) to Size 6 (heavy exterior).
Adjustable features include closing speed (sweep), latching speed (final few degrees), backcheck (resistance to forceful opening), delayed action (holds open briefly for accessibility), and hold-open (requires release for fire-rated doors). ADA requires 5 seconds minimum to traverse a 70 degrees arc. BHMA Grade 1 closers are rated for 10+ million cycles. Brands include LCN, Norton, and Rixson. Shop door closers.
