(Playing on this page) Learn the difference between a replacement window and a full-window replacement. Plus, get an overview of the full-window replacement process.
||Remove an Old Window
See how to build window casing and use that casing as a template to cut back existing siding before you install the new window.
||Prepare the Opening
Learn how to clean the existing rough opening and inspect for damage before installing the new window. Also, see how to waterproof the opening with self-adhesive flashing tape.
||Install the Window
Watch as Bill applies sealant to the window flange, checks the window for plumb, level, and square, and fastens the flanges to secure the window.
||Flash and Trim
Bill demonstrates how to use a combination of materials to flash over the flanges. Finally, he installs the pre-built casing over the new window.
About the Author
Bill Robinson comes from a long line of carpenters and contractors in Indiana, and his grandfather and other relatives built grain elevators across the Midwest. Before he took up the family trade as a second career, Bill was a commercial diver on deep-water oil rigs. Bill and his wife, Kathy, spend their free time in New Orleans, where they enjoy the local music, food, and culture.
Find more articles by Bill Robinson
Essential Building Skills
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FURTHER RESOURCES ON FineHomebuilding.com
How to upgrade interior trim on old windows
There's a Better Way: Plywood sheet-metal brake
Replacing your worn or dated window trim is a surefire way to give a room a cleaner, richer look
Give your brake a break with this improvised custom-flashing device
Installing and flashing windows correctly
If you don’t include housewrap, use a sill pan, and flash the flanges, the work is far from watertight
Will vinyl windows last?
They don’t have the track record of wood windows, but chosen and installed with care, modern vinyl products can compete
Installing vinyl-clad windows
A nailing flange makes installation quick and easy; but pay attention to the details, or you'll never get the windows open
Wainscot for a window
A simple frame and panel with applied moldings gives an ordinary window an extraordinary appearance
Solo window installation
Window-trim alignment block