How to Put in a New Window

Windows not only make your home look better, but they can significantly affect your home's energy cost. It is good to consider this point when installing new windows. They can be more expensive to purchase, but they can also significantly reduce energy costs. Any homeowner with basic carpentry skills should be able to install new windows.

Step One

Determine the window's rough opening size. Usually this will be 1 to 2 inches taller and wider than the window. When purchasing the new window, select a size is either equal to or smaller than your rough opening size.

Step Two

Purchase and take delivery of your window and purchase your nails for installation.

Step Three

Place the new window in the center of the opening and center with the prebuilt frame. The window must be sitting completely level in order to properly work. Use a level to check this. If it is not level, some additional pieces of wood may need to be added to the bottom until the window is level. These are called shims.

Step Four

When the window is level and square within the opening fasten it with nails. Do this by nailing the attached flange to the exterior of the home. Nail from the upper right corner downward check your progress with the level as you go. Again, this is vital to make sure the window remains level after each nail is put into place.

Step Five

Remove any packaging or banding the window was shipped with which held it secure for installation. Open and close the window to see if it operates properly.

Step Six

Repeat the above steps for each window you are installing.