New Windows

Fix It Up! : Episode FIX-424 -- More Projects »
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New windows can add to the beauty and energy efficiency of your home.
If you're feeling constant drafts from your old windows, maybe it's time to replace them. Newer windows are much more energy efficient and can reduce your heating and cooling costs by as much as 50 percent. In addition, high-quality windows will improve the look of your house from both the inside and the outside.

* This project can usually be completed over a weekend or two.

* Check with your local building codes office. You may need a building permit to install new windows.

Materials:

hammer
measuring tape
level
pry bar
gloves
nail set
wood chisel
assorted screwdrivers
scraper
adjustable pliers
utility knife
drill with Phillips driver bit
caulk gun with silicone caulk
window assemblies
gloves
safety glasses
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Figure A
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Figure B
Steps:
  1. Score the caulk around the existing window with a utility knife (figure A ). Then pry off the interior window stops (the trim that holds the window in place) with a hammer and pry bar (figure B). If you're careful, you might be able to reuse the original window stops. Be sure to remove all of the nails from around the perimeter.

  2. Measure the width between the inside edges of the side casing and the height between the top casing and the sill. Use these measurements when ordering your new windows.

    * If your window openings are a common size, you may be able to purchase new windows directly from your home improvement center.

    * If you're saving your old windows, place tape all over the glass to prevent it from shattering.

    * Be sure to use scaffolding if you're installing second story (or higher) windows from outside the house. A ladder just isn't stable enough to do the job safely.

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Figure C
  • Double-check the perimeter of the window opening to be sure all the nails have been removed. Then remove the window sash (figure C). You may need to remove some mounting screws before taking the sashes out of the openings.

    * While you have the sash out, clean off any debris and check the window opening for damage.

  • Dry-fit the new window into the opening, and adjust the position for equal spacing all the way around the perimeter. Use a level to make sure the frame is both level and plumb. If the frame is racked (tilted one way or the other), the windows won't open and close properly.

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    Figure D
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    Figure E
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    Figure F
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    Figure G
  • Remove the window and lay a strip of fiberglass insulation on the sill where the window will rest (figure D). Be sure to wear gloves when handling the insulation.

  • Run a bead of silicone caulk, which is more pliable than latex caulk, along the interior side of the exterior stop (figure E). The caulk will help hold the window in place and will also prevent water from coming in around the edges.

  • Set the new window in place, and adjust the position for equal spacing around the perimeter as before. Secure the window in position by placing shims behind the pre-drilled mounting holes (figure F) and driving screws through the frame and the shims.

  • When the window is secure, score the shims where they extend past the window and break them off as cleanly as possible. You may need to trim off a few splinters afterward.

  • Fill the gaps around the window with fiberglass insulation (figure G). Don't force the insulation into the gap.

  • Check the operation of the window to be sure it opens and closes properly. Then replace the interior stops and caulk around the edges.

    • Resources
    windows - Pella
    Pella Windows
    Website: www.pella.com
    Guests
    Dinah Lamunyan
    Sales Representative, Pella Windows
    174 Glynn St N
    Fayetteville, GA 30214-1680
    Phone: 770-716-8700
    Fax: 770-716-8877
    Email: pellafayette@mindspring.com
    Also in this Episode
    Fix It Up! : Episode FIX-424
    •New Windows