Window & Door Replacement & Installation Services

Servicing Maryland, Northern Virginia & Washington, DC


Having reliable windows and doors is crucial for your home’s safety, security, and energy efficiency. If you live in the greater Montgomery County area, you know how important it is to have airtight doors and windows throughout the seasons to keep your home comfortable and to protect it from potential risks ranging from burglary to storm damage and more.

For top-quality window and door replacement, repair, or installation services, our team at Shanco has over 20 years of experience in home exterior renovation services. Whether you are looking for a way to improve insulation and energy efficiency or you are ready to update the aesthetics of your home, we provide exceptional door and window installation services.

Looking for door or window repair in Maryland, DC, or Virginia? Contact Shanco today at (301) 208-0848!

Energy-Efficient Window & Door Solutions with Shanco

Door & Window Replacement in MD, VA & Washington, DC

Installing modern windows and doors is an excellent way to prevent air bleed and thermal transfer, improving the energy-efficiency of your home while also providing a beautiful, secure installation. 

Whether you need window installation or replacement or door installation and replacement, our experts can provide options to choose from. We also install storm doors! Shanco always provides the best, and our choice in window and door manufacturers reflects that! We provide door and window options from these industry-leading manufacturers in Maryland, Washington, DC, and Virginia:

  • CertainTeed
  • Trimline
  • Simonton
  • Andersen
  • Precision Entry
  • Therma-Tru
  • Simpson Doors

Not sure what products would work best for your home? Shanco recommends the following products and brands when you need a door or window replacement:

  • Sunrise Windows
  • Simonton custom-measured vinyl windows—true lifetime warranty on all materials and labor
  • Trimline custom-measured wood windows
  • Simonton French and sliding glass doors
  • ProVia Door (formerly Precision and SugarCreek)
  • Custom wood doors

Door & Window Repair in Maryland

Whether your doors or windows have been damaged by an unexpected accident, or age is simply taking its toll, our professionals can provide fast, effective repair solutions that are sure to meet your needs. Contact our team for repairs if:

  • Your windows or doors have cracked, chipped, or shattered glass
  • The seals of your windows or doors are damaged and allowing air leaks
  • The frame of your windows or doors have become damaged
  • Your windows are sealed shut or are difficult to open
  • Your doors are sticking or aren’t fitting their frame properly
  • And more!

No matter what your window repair needs may be, our team can have a superior solution ready when you need it most. Contact our experts for answers to any issues you might be having with your windows or doors!

Window & Door Replacement Services in Maryland

When you need a new custom window installation, or if you need superior window repair services, our experts can provide the best! Based in Gaithersburg, Maryland, our window and door company is happy to service your house in Montgomery County or in the Northern Virginia or Washington, DC area.

Contact Shanco construction today to learn more about our window installation and replacement services “near me” near Gaithersburg or to schedule your service!

Our Service Area

We provide professional door and window replacement services throughout the following areas:

Maryland: Bethesda, Columbia, Ellicott City, Gaithersburg, Germantown, Montgomery Village, Olney, Potomac, Rockville, and Silver Spring.

Virginia: Alexandria, Arlington

Washington, DC

Contact us today to schedule door or window replacement services near Gaithersburg, Maryland today!



see what our happy customers are saying

"Shanco Companies came up with the perfect solution for improving water drainage from the roof. The crews were professional and did a great job. I would highly recommend Shanco Companies."

-Silver Spring, MD


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