Gaithersburg Glass Company | Security Boss® Pet Doors Sales & Installation

Security Boss® Pet Door | Gaithersburg Glass Company

Maryland Pet Door Installer | Authorized SBMFG Dealer

American Sliding Door

Installation Services Offered

In Glass Pet Door Installs | Screen Pet Doors – Sliding Screen Doors

Service Areas

Serving Montgomery, Frederick & Prince George Counties

Contact Information

Phone: 805-494-8898


Web Site:

About Us

Since 1966, Gaithersburg Glass Company (GGC) has provided superior custom glass products and installation services.

Our high standards in customer service and quality workmanship have made GGC the preferred glass company, not only in Gaithersburg, but in the entire Washington, DC metro area.

Whether you are a contractor or homeowner, Gaithersburg Glass Company has the confidence and expertise to provide you the finest quality products and workmanship. Our experienced team of glass technicians and customer service professionals are committed to deliver customized glass product solutions that will undoubtedly exceed your expectations.

Installations are our specialty. Each of our teams have over a minimum of 20 years experience in the glass industry. Whether we are installing a brand new shower enclosure or replacing an existing one, Gaithersburg Glass company will complete the work on time, and leave the work area neat and tidy once the job is complete.

Gaithersburg Glass Company’s experienced shop technicians are skilled in delicate glass repairs on picture frames, and mirror frames. We will replace glass and mirror in most frames, old and new.
Our outside technicians can perform on site repairs to windows, patio doors and mirrors.

Certain products require regular maintenance, for example storm and screen doors and windows. Our in-house team can re-screen, tighten and replicate your screens and doors, either in wood, vinyl or aluminum frames. Please contact us to learn more about our maintenance services.