Flashing Around Windows Vinyl Siding

Inspect the flashing and building wrap around the window.

Flashing around windows vinyl siding.

After wrapping the opening we nail a piece of siding along the rough sill with 13 4 in. And extends 2 in. Self adhesive flashing tape goes on next. Wide vinyl siding flashing under the window s nailing fin.

Stretchable to allow installation around corners common for pan flashing and curved windows. Make sure it laps over the bottom flashing at least 2 in. The type and location of the flashings will vary depending on the type of windows and doors. Ensure that the flashing along the bottom of the window overlaps the nailing hem of the last complete course of siding beneath the window.

Follow these simple steps to help the installation process go smoothly. Pan flashing can be rigid metal or plastic one piece or multiple pieces flexible self adhesive membrane a combination of rigid and flexible or liquid applied. Formable self adhesive pan flashing is commonly 6 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.

Flashing installation shouldn t be an option but some contractors overestimate the effectiveness of siding in preventing moisture from entering the openings around the window. Above the window s top. Protect your windows vinyl siding with flashing. Flashing membranes are now widely used to prevent water leakage around windows and doors and other trouble spots on walls.

Typically flashing a window is a two part process. If the window s deep in an entryway and has zero exposure you can skip the weatherproofing and just caulk around it. The first half of window flashing occurs when you or your builder preps the rough opening for the window s installation. For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes.

Be sure to add the thickness of the siding to the window s height when framing the rough opening. 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. Window flashing is installed at the same time as the window unit. The second half of window flashing occurs once the window unit is secured and squared within the rough.

Install flashing next to the window. Step 1 prepare. Wide for 2x4 frame. 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.

Beveled siding creates a sloped sill. Sold as flashing tape flexible flashing and peel and stick window flashing these narrow rolls of rubberized asphalt membrane can solve many flashing problems if installed correctly.