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Dorma
Dorma products are trusted by professionals in the security and hardware industry for their reliability, performance, and durability. Whether you're looking for commercial locks, access control systems, or door hardware, Dorma offers solutions to meet your needs. Browse our selection of Dorma products by category below.
Frequently Asked Questions
What is Dorma?
Dorma is a heritage door control brand now part of dormakaba. It is best known for door closers and entrance hardware.
What products does Dorma make?
Dorma's product range includes surface and concealed door closers, locks, and entrance systems.
How do I choose the right Dorma door closer?
Size the Dorma closer to the door's width and weight (closers are graded by size, with many models adjustable across a range), then pick the mounting style (regular arm, top jamb, or parallel arm) that fits the door and frame. For accessibility, interior doors generally must open with no more than 5 lbf of force, so adjustable spring power matters.
Where is Dorma hardware typically used?
Dorma hardware is specified for commercial entrances and high-traffic openings.
Is Dorma hardware commercial grade and code compliant?
Yes. Dorma manufactures to commercial standards and tests its products to the applicable ANSI/BHMA A156.4 for door closers. For most commercial and institutional openings, specify Grade 1 where the product line offers it, and confirm any fire-rating or ADA listings the opening requires.
Can a Dorma closer be used on a fire-rated or ADA door?
Yes. Dorma closers are available in models listed for fire-rated doors and in low-energy operator versions for barrier-free, ADA-compliant openings. Confirm the specific model's listings and set the closing force to meet the applicable code.
Does National Lock Supply sell genuine Dorma products?
Yes. National Lock Supply is a stocking distributor of genuine Dorma door closers and entrance hardware, with competitive pricing, real-time availability, and expert support to help you specify the right part. Browse the full Dorma line or contact us for project quotes and cross-references.