Vinyl Siding Flashing Around Windows

Since vinyl siding can expand and contract depending on the outdoor temperature fitting siding under windows requires careful measuring and planning.

Vinyl siding flashing around windows.

Step 2 materials. 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. If the top of the window is near an eave but the bottom is exposed to the elements strip off the siding and focus on flashing the bottom half of the window but ignore the top. Ensure that the flashing along the bottom of the window overlaps the nailing hem of the last complete course of siding beneath the window.

Once you have the bottom and side flashing installed around the window cut a slit in the building paper 2 inches above the window. Inspect the flashing and building wrap around the window. If the window s deep in an entryway and has zero exposure you can skip the weatherproofing and just caulk around it. Wide vinyl siding flashing under the window s nailing fin.

Nail off the window. With vinyl siding aluminum is the best material for flashing. The flashing is crucial for creating a watertight seal around 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.

Above the window s top. For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes. The bottoms of windows are hit or miss unless i m using custom built vinyl windows and can specify window height. It s easy to position the window rough openings so that the tops of windows match a siding course.

Make sure it laps over the bottom flashing at least 2 in. To mark the vinyl panel to be cut follow the steps below. Install flashing next to the window. Remember at this point you still don t have flashing above it.

And extends 2 in.