Your storefront entrance is the first thing customers see — and the last thing protecting your business after hours. National Glass installs, replaces, and repairs commercial storefront doors, glass entry systems, and security entrances for retail, restaurant, office, and service businesses. We also provide advance measurement technology, sneeze guard installation, and ongoing maintenance.
Call 517-543-2760 for a free estimate.
Free estimate · No obligation
Don't replace what can be repaired. We diagnose and fix common commercial door and window problems:
Emergency repair available 24/7. Broken glass is a security risk that can’t wait until morning. See emergency glass service for immediate response.
Accurate measurements are the foundation of every successful glass and door installation. Our advance measurement system uses digital measuring technology to capture precise dimensions — eliminating the guesswork, return trips, and costly fabrication errors that come from manual measuring.
Call 517-543-2760.
Call 517-543-2760.
Call 517-543-2760.
Call 517-543-2760.
Call 517-543-2760.
We get to every corner of Charlotte fast:
Call 517-543-2760.
It depends on size, glass type, frame finish, and hardware. Call 517-543-2760 for an on-site estimate.
Yes. We match frame color, glass tint, and hardware finish so your new door blends with your Charlotte storefront.
A standard replacement takes 4-6 hours. The door is ready to use the same day.
Yes. A broken entry door is a security risk. We board up if needed and get the permanent fix in fast.
Yes. We adjust or replace door closers to control the swing speed and latch.
Yes. Full storefront design and construction, from glass facade to entrance system.