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Surface Door Closers
Door closers are ideal for both commercial and public service buildings, such as hotels, hospitals and care homes. They enable doors to close automatically as a fire safety measure, to retain heat and to preserve door functionality. We offer a wide range of durable, high-quality door closing devices from a variety of manufacturers and price points.
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Frequently Asked Questions
What is a surface door closer?
A surface door closer is a door-mounted mechanical closer installed on the door face or frame. At National Lock Supply, we provide surface closers for commercial, institutional, and residential doors.
How do they differ from concealed closers?
Surface closers are visible on the door or frame, easier to install and adjust. Concealed closers are hidden for aesthetics but harder to service.
What mounting options are available?
Regular arm, parallel arm, and top jamb mountings, chosen based on door swing and clearance.
Are surface door closers adjustable?
Yes, most models allow control of closing speed, latch speed, and backcheck.
Are they ADA compliant?
Yes, when adjusted to provide the correct opening resistance.
What grades are offered?
Surface closers are rated under ANSI/BHMA Grade 1, 2, or 3, with Grade 1 being heavy-duty.
Where are they used?
In schools, offices, apartments, and retail spaces, where cost-effective, reliable closing is needed.
What finishes are available?
Aluminum, Dark Bronze, Satin Chrome, and Stainless Steel.
Do surface closers work on fire-rated doors?
Yes, when UL-listed for fire door use.
Why buy from National Lock Supply?
We stock surface closers in all grades and mounting types, with expert advice for ADA and fire code compliance.