Gaithersburg Glass Offers a Wide Range of Window Products for Your Home or Business

Insulated Glass Replacement

Foggy windows? Tried cleaning them and nothing helps? When Insulated Glass (IG) gets condensation or moisture in the air space between the two panes of glass,  your window seal has failed. There is no effective repair, but Gaithersburg Glass can replace your IG without the expense of replacing the entire window, frame and all. Whether its double hung windows, casements, picture, patio doors, sidelites or almost any custom shape, we can supply and install the replacement glass.

Custom Picture (fixed) Windows

Gaithersburg Glass Company has many years of experience with custom windows for the home. Whether we are installing single pane, or double pane (insulated glass), we have the skill, know-how and man power to do the job! No window too big or too small, and no project is too big or too small!

Replacement Windows

Gaithersburg Glass is the proud supplier and installer of West Window Corporation window products. Long regarded a premiere manufacturer of windows, West Window offers a complete range of windows, including storm windows and doors and patio sliders, available in both vinyl and thermally broken aluminum.

Storm Windows

NEW Storm Windows – Guaranteed to improve the look of your home and reduce thermal transmission. Gaithersburg Glass Company offers a complete range of custom storm windows that we will install on your home within 2 – 3 weeks* of acceptance of our proposal.

REPAIRS – Gaithersburg Glass Company is well known through-out the county (and beyond) and is renowned for its excellent workmanship in repairing damaged storm windows.

Pet Doors

Gaithersburg Glass Company is the authorized reseller and installer of Security Boss Pet Doors, the industry leader in through-the-glass pet doors. No matter the size of your pet, we have the solution to give your pet the freedom to enter and exit! With amazing features, like locking panels when away from home, and double flap systems for enhanced thermal performance, these are undoubtedly the finest pet doors available, Made in the USA.

Screen Windows and Doors

Gaithersburg Glass is one of the only remaining companies that make new screen windows and doors to fit your existing windows and doors.

New: We can duplicate from scratch, including the frame and fastening mechanism, brand new screens exactly to fit your windows.

Repairs: No need to replace the entire screen with a new one if you just need the screen replaced and the frames are in good condition.

All new and repaired screens are fabricated in our workshop by our own staff. We offer fiberglass, aluminum and super-strong pet screen materials, and can fabricate frames in white, mill and bronze finishes to match the rest of your screens.

Soundproof Windows

Gaithersburg Glass Company is the area authority when it comes to noise reducing windows. Whether its traffic noise, pesky air-conditioning, noisy neighbors, or all of the above, our soundproof team have the solution for you.  We also able to fabricate arches and other window patterns. Frames are available in white or any custom color, and depending on your noise severity, we can glaze with 3/8″ thick or 1/2″ thick laminated glass.


Gaithersburg Glass Is known as the local resource for small to medium sized storefront projects. Whether you need one door, or a full wall, our staff are ready to assist you with your project.

Pricing proposals are fast-tracked so that we can most often offer a two week turn around. On-site consultation with one of our experienced team members is part of the turn-key offering Gaithersburg Glass Company offers.