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Replacement Windows


Are your Frederick, Maryland home’s windows hard to open and/or clean? Are you tired of losing money because they aren’t energy efficient? If so, ER Roofing can help! As a window replacement contractor serving central Maryland areas such as Hagerstown, Germantown and Rockville, we have the experience to tackle all types of issues.

Bad sealing causing condensation/cloudiness? Cracked glass? Rotted frames? We can take on the job! We have a variety of windows to fit every style and price range. From standard glass with argon gas and low-e to upgraded krypton gas – or triple pane options along with foam enhanced frames and grids between the glass – we have the solution to meet your needs.

We are proud to specialize in the installation and repair of the following:
• swing-in vinyl replacement windows
• double hung windows
• energy efficient vinyl slider windows
• vinyl picture windows

If your home in Frederick or central Maryland is ready for a “new look” – call us today at 301-524-9648 to see what we can do for you!