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Frequently Asked Questions

What makes Dorma exit devices premium-grade?

Dorma combines European engineering with contemporary aesthetics, offering sleek low-profile designs, quiet operation, and premium finishes that appeal to architects while meeting Grade 1 performance standards.

Are Dorma exit devices compatible with access control?

Yes, National Lock Supply stocks electrified Dorma exit devices with electric latch retraction integrating with card readers and building automation systems while maintaining panic function.

Do Dorma devices have fire ratings?

Yes, Dorma manufactures fire-rated exit devices tested and labeled for fire door assemblies. National Lock Supply provides devices meeting 90-minute to 3-hour fire rating requirements.

What applications are Dorma exit devices best for?

Dorma excels in upscale offices, healthcare facilities, hotels, and institutional buildings where contemporary aesthetics and quiet operation complement modern architecture.

Can Dorma exit devices be used on narrow stile doors?

Dorma offers specialized models for narrow stile and aluminum storefront applications. National Lock Supply can specify appropriate Dorma devices for your door type.

What trim options work with Dorma exit devices?

National Lock Supply offers extensive Dorma exit trim including lever handles, key cylinders, and electrified options in architectural finishes matching contemporary design palettes.