Drafty, leaking or foggy windows? We repair and replace failed commercial window seals to keep out water, air and dust and help your building run more efficiently.
Seals break down with age, weather and temperature changes. We find the failure and fix it.
Seals that let rain in around the glass or frame repaired.
Gaps resealed to cut drafts and energy waste.
Failed insulated glass units replaced for a clear view.
Old, cracked caulking removed and replaced.
Loose or shrunk gaskets around the glass replaced.
Seals on storefront windows and frames inspected and repaired.
Commercial window seals keep drafts, moisture, dust and noise out of your building. Over time they break down from weather exposure, age and temperature changes. Failed seals lead to air leaks, water damage, fog between the glass and higher energy bills.
Repairing your window seals is one of the easiest ways to stop those problems and extend the life of the windows you already have. Commercial Glass Works inspects, repairs and replaces seals, caulking, gaskets and insulated glass units on commercial buildings across DC, Maryland and Northern Virginia.

Photos from commercial jobs across DC, Maryland and Northern Virginia.





No runaround. One crew from the first call to the last piece of glass.
Tell us what broke and where. We answer 24/7.
We look at the job and give you a clear price before any work starts.
Most repairs are done the same day with parts from our stocked trucks.
“The installation was completed on schedule, and the quality of the glass and workmanship exceeded my expectations. Everything looks sleek and flawless. I highly recommend Commercial Glass Works to anyone needing reliable and top-notch glass installation services!”
“Commercial Glass Works handled the repair quickly and professionally. They arrived on time, assessed the damage, and replaced the glass efficiently with high-quality materials. I’m very impressed with their service and highly recommend Commercial Glass Works for any glass repair needs!”
“Commercial Glass Works did an excellent job on our storefront installation. The team was professional, efficient, and the quality of the glass and finish exceeded our expectations. Highly recommend for any commercial glass needs!”
One call covers every piece of glass and hardware on your building.
We only work on commercial properties, so our crews know storefront systems, office buildings and tight business schedules.
Common signs are drafts around the window, water stains or leaks, and fog or condensation between the panes of glass.
In many cases new seals or a new insulated glass unit fix the problem without replacing the whole window. We will tell you which one you need.
No. We only do commercial work: stores, offices, restaurants, schools and other business properties.
Yes. Call (703) 944-5967 any time, including nights, weekends and holidays.
Yes. We look at the job and give you a clear price before any work starts. No hidden fees.
Washington DC, Maryland and Northern Virginia. If you are not sure we cover your address, just call.
Call now or send the form. We answer 24/7.