Knowledge Center
Learn more about windows and patio doors for your home. We cover a wide variety of window and patio door topics so you can make decisions for replacement projects. We also provide additional resources once you've completed a replacement project with Marvin Replacement.
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![inswing french door](/static/25cf7d0f12828a72f5f188fc27bbc618/b7ef5/exterior-inswing-french-door.webp)
![Exterior view of a TruStile Front Door Craftsman style with Hazelnut color on a gray home.](/static/54f81de8d1c58df562dfb420bbb0da10/3d157/front-door-craftsman-hazelnut.webp)
![Interior view of a three-panel white Marvin Replacement Outswing French Door](/static/d919281f9be803d50b19866839cb4341/6da30/marvin-replacement-outswing-french-door-wide.webp)
![Interior view of a three-panel white Marvin Replacement Outswing French Door](/static/d919281f9be803d50b19866839cb4341/6da30/marvin-replacement-outswing-french-door-wide.webp)
![Interior view of a white living room with black special shape Marvin Replacement windows.](/static/ab728a84f4c206bdf0e9bd1a1185a695/f92f2/ff-event-hero-1.webp)
Replacement Window Education
Learn more about window parts, available glass options, and common window terms so you can ask the right questions when you begin looking for replacement windows.
![Close up view of a casement window roto parts](/static/c8eb6b7f997eccaaed5521d855ad399e/25682/closeup-view-of-casement-window-parts.webp)
![Special shape windows and inswing door](/static/d48e374153aa4f382cce4a39f6eead54/1d1b8/marvin-replacement-special-shape-windows.webp)
![A man who looks like Tom Brady prepares to install a Marvin Replacement Double Hung window.](/static/1ad088a2b3f21da7f2bae267bfa5711b/ddaa0/man-prepares-to-install-a-marvin-replacement-window.webp)
Customer Resources
Already have an appointment scheduled with us? Have questions about your project? Click the button below to find everything you need to know about working with Marvin Replacement.
![Marvin Replacement window installer places a window](/static/4566b5e10c50d76a57db2a7464aa103c/078c3/installation-exterior-sq.webp)
What to Expect on Installation Day
As installation day approaches find how to prepare for our installation crew and what to expect on installation day.
Window + Patio Door Installation![A Marvin Replacement window installers uses a caulk gun to seal a window.](/static/9de0454eaa9a5af4729ea029f41cdbe1/bf95e/installer-seals-window-with-caulk.webp)
Marvin Replacement Warranties
Marvin Replacement windows and patio doors come with a limited lifetime warranty and a five-year installation warranty for additional peace of mind.
Marvin Replacement Warranties![A man in a blue shirt holds on to the lower sash of a Marvin Replacement window.](/static/108a8f041078c08c9c2cfc90f795b082/54352/man-removes-a-marvin-replacement-window.webp)
Marvin Replacement Owner's Manual
Find helpful information about your windows and patio doors with Marvin Replacement's owner's manual.
Marvin Replacement Owner's ManualStill Searching?
Window and Patio Door Replacement
Work directly with Marvin Replacement and start your project with a free, no-pressure in-home consultation. Let’s get started.