How to Replace a Window

If your existing window is beyond repair, or you just want to improve your curb appeal, it is time to replace your windows. Once you know what you are doing, window replacement can be a simple process. Read on to learn how to replace a window.

If your existing window is beyond repair, or you just want to improve your curb appeal, it is time to replace your windows. Once you know what you are doing, window replacement can be a simple process. Read on to learn how to replace a window.
Introduction
- Replacing a window is a great home improvement project. As a homeowner, window replacement is a good idea if you want to upgrade your windows to save money on energy costs, improve the appearance of your home or replace an deteriorating window.
Step 1: Measure the Window
- Before looking at new windows, you'll need to know what size window you require.
1. For the correct measurement, measure from inside of the house.
2. Using a measuring tape, measure the height and width of the widow.
3. Subtract 1/4-inch from each measurement.
4. Write the measurements down, so you'll have them when shopping for your replacement windows.
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Step 2: Select a New Window
- If you're only replacing one window, you'll want to match the existing windows. There are some other things to keep in mind if you have more flexibility.
1. You want windows that blend with your home's style.
2. Decide on the window's material. Wood, vinyl, and PVC all have their own advantages and disadvantages.
3. Consider energy efficiency.
Step 3: Remove the Existing Window
1. Remove the storm window and screens, if installed.
2. Go to the outside of the house, and remove the storm window frame.
3. Remove the sash stop, which is a narrow strip of molding next to the window frame. You may be able to reuse this later, so be careful.
4. Remove the upper sash.
5. Remove the lower sash.
6. Remove the window crack.
7. Remove the parting strip from the top of the rough opening, using pliers.
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Step 4: Install a New Window
- Before beginning to install the window, make sure it fits the rough opening, and that the sill is level.
1. Using a caulk gun, apply sealant to the bottom corners of the window opening.
2. Apply aluminum weather proofing tape to cover the bottom of the sill.
3. Silicone sealant should be applied to the to the outside stop. This is the part of the frame that the new window will rest against. You also want to apply silicone sealant to the window ledge, as well as the outside corners of the sill.
4. Set the new window in place, positioning the bottom first, and make sure it's square.
5. Install shims where needed, at the top, bottom, and sides, making sure the gap between the window and the opening is uniform.
6. Screw in the window.
7. Break off the excess wood that's till out from the shims.
8. Fill the gap along the frame with low expansion foam.
9. Use foam backing and silicone caulk to make the outside of the window watertight.
Conclusion
- Although it's not a quick project, replacing windows have benefits that will last long beyond the time it took you to do the project. By replacing your window yourself, you've saved money and improved your home.