Detail For Flashing Windows With Vinyl Siding

Beveled siding creates a sloped sill.

Detail for flashing windows with vinyl siding.

Follow these simple steps to help the installation process go smoothly. Integrate the window and door flashing tape into the wall system. Encompass by pella vinyl window products are intended only for use less than 40 feet above ground level. Be sure to add the thickness of the siding to the window s height when framing the rough opening.

Materials that are in poor condition may be difficult or impossible to seal to. Important details include the type and condition of the window with or without a nailing flange sheathing housewrap siding type and original window flashing. Inspect the flashing and building wrap around the window. Block frame design vinyl windows and doors manufactured by pella can be used in the following replacement methods.

After wrapping the opening we nail a piece of siding along the rough sill with 13 4 in. 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. Install flashing next to the window. 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.

Protect your windows vinyl siding with flashing. Self adhesive flashing tape goes on next. Protect the top of the window flashing with overlapping wrap. Make sure it laps over the bottom flashing at least 2 in.

And extends 2 in. Splines must direct water over underlying house wrap. Double overlap house wrap around nailing fins of vinyl or clad windows. Additionally the metal head flashing tucks behind the tar paper and over the window top or flashing tape is used to seal tar paper to the window s nailing fin.

Wide vinyl siding flashing under the window s nailing fin. Above the window s top. Behind the window casing undersill trim secures the cut vinyl panel under a window. Leave a gap 1 4 between the window flashing and bottom edge of siding to prevent capillary suction.

Nail off the window. Ensure that the flashing along the bottom of the window overlaps the nailing hem of the last complete course of siding beneath the window.