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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.

Most Recent

Bay vs Bow Windows KC
Bay vs. Bow Windows
Not sure what the difference is between a bay window and a bow window? Both provide big views for your home but they do so differently. Find out the difference between a bay window vs a bow window, the pros and cons of each, and where they fit well in a home.
Bay vs. Bow Windows
Gray draft stopper rests under a white window frame.
What Leaking Windows Mean for Your Home
Leaking windows can cause problems for your home. Learn how to spot window leaks and steps to take to fix leaky windows.
How to spot + fix leaking windows
A man paints a window frame white with a yellow handled paint brush in his left hand.
Can You Paint Fiberglass Windows?
Fiberglass windows typically don't need painting, but should you want to paint fiberglass windows, there are some things to know.
Can You Paint Fiberglass Windows?
A man paints a window frame white with a yellow handled paint brush in his left hand.
Can You Paint Fiberglass Windows?
Fiberglass windows typically don't need painting, but should you want to paint fiberglass windows, there are some things to know.
Can You Paint Fiberglass Windows?
Condensation appears on a window sill and a lower corner of a window.
What Causes Condensation?
If you notice condensation on your windows, it's important to note where it appears to know what to do about it. Condensation can appear on the inside, outside, and middle of windows.
What's Condensation Mean?
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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.

Marvin Replacement installer carrying half round window with a Marvin Replacement window label sticker.
How to Read a Window Label
What do all the numbers and ratings mean on a window label? Find out how to read a window label.
Window Label
special shape windows and inswing door
Types of Window Glass
Learn about the types of glass you can choose from when buying new windows.
Window glass types
Exterior view of a Tudor style home with Marvin Replacement windows in Philadelphia.
Window + Patio Door Glossary
Learn about the terms used in making and installing windows and doors.
Window + Patio Door Glossary

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.

A man installation a Marvin Replacement window from the exterior of a home.

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.

Installation Guide

A Marvin Replacement window installers uses a caulk gun to seal a window.

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.

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 Manual

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Window and Patio Door Replacement

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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.

Yes! I’d like to hear about promotions, special offers, and Marvin Replacement news. By leaving this unchecked, you’ll only receive information about your project.
By continuing, you agree to Marvin Replacement’s Terms of Use & Privacy Policy. By providing your phone number, you agree to be contacted by voice or SMS to schedule or follow up your appointment.