Flashing A Window To Vinyl Siding Exterior Wall

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 a window to vinyl siding exterior wall.

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. Zip system sheathing exterior rigid foam insulation housewrap peel and stick membrane and fluid applied wrb. Ensure that the flashing along the bottom of the window overlaps the nailing hem of the last complete course of siding beneath the window. Flashing at the bottom of exterior walls needs to be integrated into a continuous drainage plane on the exterior wall.

The type and location of the flashings will vary depending on the type of windows and doors. 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. 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. It should be located according to the size of the siding courses.

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. Siding that is aligned with the bottoms and tops of windows is faster to install and looks better. Follow these simple steps to help the installation process go smoothly. Overlap the flashing onto the row of siding just below the window.

Align siding with window trim. Flashing at exterior window door openings shall be installed according to the window. 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. Step 1 prepare.

Begin at the windows. Typically flashing a window is a two part process. Longer siding panels don t. The first half of window flashing occurs when you or your builder preps the rough opening for the window s installation.

Protect your windows vinyl siding with flashing. 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. Inspect the flashing and building wrap around the window. The second half of window flashing occurs once the window unit is secured and squared within the rough.

When installing vinyl siding on each side of a window or door start on the side that needs the longer panels. Window flashing is installed at the same time as the window unit.