Learn more about window flashing, why it’s recommended, and how to install it.
Use tape to hold the weather-resistant barrier in place.
drop in the Sill Pan Flashing
Sill pan flashing is installed at the bottom of the window.
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Use an adhesive sill pan or a pre-shaped sill pan wedge.
It should also extend up either side of the window at least 6 inches.
If you use a pre-shaped sill pan wedge, slide the wedge over the window sill.
Start the bead about 3/4 inches from the corner on each side.
To install a window unit, read and follow the directions provided by the manufacturer.
plant the Drip Cap
plant the drip cap you purchased or provided by the window manufacturer.
This allows the drip cap to prevent water from entering the window unit.
It should extended at least 6 inches beyond the window jamb on each side.
Finally, add small flashing strips over the gaps at the corners.
The better the home is protected, the less money you will spend to keep it in good condition.
Yes, you might add window flashing to a window you already have installed.
You will need to manipulate the house wrap and siding to double-check everything is layered correctly.
Building America Solution Center, Windows and Doors are Fully Flashed.Office of Energy Efficiency & Renewable Energy.
Window and Door Flashing: Code Requirements and Best Practices.
National Association of Home Builders and International Code Council.
Air Sealing Your Home.
United States Department of Energy.
United States Department of Energy.
Practical Window Flashing.Journal of Light Construction.
