Follow these simple steps to help the installation process go smoothly.
Flashing a window to vinyl siding exterior wall.
Step 1 prepare.
Typically flashing a window is a two part process.
Siding that is aligned with the bottoms and tops of windows is faster to install and looks better.
Protect your windows vinyl siding with flashing.
The second half of window flashing occurs once the window unit is secured and squared within the rough.
Longer siding panels don t.
Zip system sheathing exterior rigid foam insulation housewrap peel and stick membrane and fluid applied wrb.
The type and location of the flashings will vary depending on the type of windows and doors.
If you have vinyl or metal flanged windows for instance you can install drip cap flashing 4 the home depot over the window itself or over the top trim piece that you install.
Flashing at exterior window door openings shall be installed according to the window.
Now any water that runs inside the j channels will come out on top of the siding and out the weep holes designed for this purpose.
Align siding with window trim.
Inspect the flashing and building wrap around the window.
Window flashing is installed at the same time as the window unit.
How to install nail fin windows in 5 common wall types builder jake bruton demonstrates trusted window flashing details for walls with the following water resistive barriers.
At the bottom of the wall a water table can help kick rain away from the foundation.
Begin at the windows.
If the sidewall is stucco or solid wood like ours and you can t open it to get flashing behind it continue the step flashing to the peak of the roof then cover the step flashing with cap flashing.
The first half of window flashing occurs when you or your builder preps the rough opening for the window s installation.
Flashing at the bottom of exterior walls needs to be integrated into a continuous drainage plane on the exterior wall.
If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this.
Speak with someone in the building department in your town to make sure the flashing on the windows with vinyl siding is up to code you will also want to try as best as you can to plan this project during a two to three day period where rain or snow is not.
Overlap the flashing onto the row of siding just below the window.
The goal is to create a wall system that can manage the water that will inevitably get behind any cladding system.
Flashing at exterior window door openings shall extend to the surface of the exterior wall finish for face sealed wall assemblies such as stucco on solid masonry or to the water resistive barrier commonly behind siding cladding.
For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes.
