Vinyl Siding Window Flashing Details

Window flashing is arranged in a manner that directs water down and away from the structure.

Vinyl siding window flashing details.

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. Self adhesive flashing tape goes on next. Inspect the flashing and building wrap around the window. For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes.

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. Overlap the flashing onto the row of siding just below the window. Step 2 materials. Ensure that the flashing along the bottom of the window overlaps the nailing hem of the last complete course of siding beneath the window.

The type and location of the flashings will vary depending on the type of windows and doors. If you are going to use j channel at a window head you have to think through the flashing details at the window corners to make sure that you aren t encouraging leaks. Flashing at exterior window door openings shall be installed according to the window. Since you are working with a vinyl siding around the window you will want to be using drip cap flashing over the window or over a top trim that is installed you will have to measure the width of the window to make sure that you get the correct size drip cap.

Important details include the type and condition of the window with or without a nailing flange sheathing housewrap siding type and original window flashing. 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. It is key to preventing water intrusion. 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.

Materials that are in poor condition may be difficult or impossible to seal to. Beveled siding creates a sloped sill. After wrapping the opening we nail a piece of siding along the rough sill with 13 4 in. There is a way to do it well and a way to mess it up.