Vinyl Siding Window Flashing Details

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.

Vinyl siding window flashing details.

It is key to preventing water intrusion. Be sure to add the thickness of the siding to the window s height when framing the rough opening. Self adhesive flashing tape goes on next. Use an old rag to remove any dirt or debris that may be there.

Using a pry bar you will need to remove a layer of siding from above the window you want to install the drip cap on. Window and door flashing guide this collection of articles and videos will help you find the materials and construction details you need for a leak free installation of doors windows siding and more. Flashing at exterior window door openings shall be installed according to the window. Window flashing is a thin continuous piece of material that is installed to prevent water from getting into a structure from an angle or joint near windows.

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. For more information refer to page 21 of the vinyl siding installation manual. Most new windows have an integral nailing flange either plastic or metal that is nailed to wall to secure the window in place. With this in mind you should first apply the flashing on the underside of the window then to the sides of the window make sure to overlap the bottom flashing and finally to the top of the window.

Window flashing is arranged in a manner that directs water down and away from the structure. Ensure that the flashing along the bottom of the window overlaps the nailing hem of the last complete course of siding beneath the window. Make sure that the flashing on the vertical sides of the. Consult the manufacturer s instructions for the recommended technique for your windows.

Cut the drip cap to the correct size for your window. Vinyl siding terms to know. After wrapping the opening we nail a piece of siding along the rough sill with 13 4 in. The flashing needs to be integrated properly with the house wrap and siding for the system to work properly.

Beveled siding creates a sloped sill.