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Windows & Doors

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Mastered in a Minute

How to Install Replacement Windows

Insert windows are often an economical alternative to repairing worn-out old sashes, and they can help make your house more comfortable.

By Official Fine Homebuilding Post
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How to Install Replacement Windows
Learn the basics of installing a replacement window
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      Whether or not to replace windows in an older home is a surprisingly thorny matter. Why wouldn’t you do it? TV commercials tout low prices and fast installation of new vinyl-window inserts, promising lower energy bills, greater convenience, more comfort, and better looks. However, old-house aficionados frequently decry the act as architectural vandalism, arguing that homeowners should spend their money tuning up the old windows and investing in high-quality storm windows. The truth lies somewhere in the middle, though. In general, replacing windows for the sake of energy savings alone is a losing proposition. In most houses, the payback usually doesn’t compare with what you would get from better air-sealing and insulating.

      So, when should I replace?

      knowing when to replace a window

      However, there are many instances when installing a replacement window insert is a good move. Sometimes a house’s window sashes are beyond repair. In other cases, even though the energy payback might be questionable, the increase in comfort and convenience gained from a modern window can be considerable. Some well-regarded window manufacturers make replacement window inserts that rival their new-construction windows in quality and in available architectural detailing, so it’s likely you can find replacement windows that mirror the architecture of a house from any era.

      Replacement window inserts offer another advantage: With an insert window, only the original sashes are removed. The old window frame and trim remain, meaning less work, less trouble matching old work to new, and less disturbance of old trim that’s very likely coated with lead paint, which poses health risks and can require more costly procedures if you hire someone to do this work. This video offers a quick look at how simple it is to install a Marvin insert window.

      More on Replacement Windows:

      Install Insert Replacement Windows in a Brick Wall

      Replacing a Basement Window

      The Basics of Replacement Windows

      Get the Right Replacement Windows

      Previous: Replace a Wood Window: Part 2 Next: Install a Replacement Window in a Brick House

      Guide

      Windows & Doors

      Chapter

      Retrofitting Windows

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      View Comments

      1. lnelvi | Jun 09, 2015 01:35am | #1
      2. ElmoC | Jun 15, 2015 01:38am | #2

        This video is extremely useful and solves a lot of questions that I have had regarding window replacement. We were planning to install replacement windows( http://www.landmarkquality.com/ )from Toronto that are energy efficient and it is always goo to know beforehand as to how the process is.

      3. Rwinerson | Jun 16, 2015 05:16pm | #3

        Thank you for posting the awesome video on how to properly replace a window. I've been meaning to get rid of the broken window in my bathroom for a few weeks now. Watching how you install your window is definitely going to help me get mine put in the right way. http://Citywideautoglassma.com

      4. buildin1132 | Dec 27, 2015 11:58pm | #4

        Awesome post admin!! The video would turn to be a great help to many out there. Gee, How I wish I knew about this before I got my casement windows replaced. But again Canglow and door and windows ( http://canglow.ca/ ) do offer guarantee on their products. Never mind!! Next time I am going to do it all by myself!!!

      5. FeliciaAlice | Apr 25, 2016 03:00am | #5

        Thank you so much for this awesome video. We replaced our broken bedroom windows last week with the help of 'Landmark Home Solutions' ( http://www.landmarkquality.com/ ). This video was really helpful.

      6. user-183982 | Oct 08, 2020 02:27pm | #6

        How sad that the original old windows were replaced. They had no irreparable wood, rope, glass or glass sealing putty damage. This article verified that the cost to weatherize those existing windows and install high-quality storm windows would be much less than the replacement windows. In addition, the longevity of properly restored and maintained old, hardwood windows is decades longer than that of replacement windows with only 15-20 year warranties.

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      Windows & Doors

      Windows & Doors

      Trusted, comprehensive guidance from the pros for choosing, installing, replacing, and repairing windows and doors on any house

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      Choosing Windows
      • Window Types
      • Design and Materials
      • Energy-Efficient Windows
      Installing Windows In New Walls
      • Installation, Start to Finish
      • Head Flashing for Windows
      • Video Series: Nail-Fin Window over Zip System Sheathing
      • Video Series: Nail-Fin Window over Exterior Rigid-Foam Insulation
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      • Video Series: Nail-Fin Window over Peel-and-Stick Housewrap
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      • Video Series: Weatherproof Window Installation
      Retrofitting Windows
      • Removing the Old, Installing the New
      • Video Series: How to Replace a Window
      • Video Series: Install a Full-Frame Replacement Window in a Brick Wall
      • Video Series: Install an Insert Replacement Window in a Brick Wall
      • Video Series: Retrofit a Flanged Window
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