Flashing Around Windows Vinyl Siding

Install flashing next to the window.

Flashing around windows vinyl siding. 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. Self adhesive flashing tape goes on next. Protect your windows vinyl siding with flashing.

Wide vinyl siding flashing under the window s nailing fin. Formable self adhesive pan flashing is commonly 6 in. Stretchable to allow installation around corners common for pan flashing and curved windows. Inspect the flashing and building wrap around the window.

Nail off the window. Typically flashing a window is a two part process. Wide for 2x4 frame. Be sure to add the thickness of the siding to the window s height when framing the rough opening.

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

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. 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. If the window s deep in an entryway and has zero exposure you can skip the weatherproofing and just caulk around it. Flashing membranes are now widely used to prevent water leakage around windows and doors and other trouble spots on walls.

The type and location of the flashings will vary depending on the type of windows and doors. Other contractors install flashing but fail to integrate it correctly into the water resistive barrier. Step 1 prepare. 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.

Choosing a window contractor. Window flashing is installed at the same time as the window unit. After wrapping the opening we nail a piece of siding along the rough sill with 13 4 in. The second half of window flashing occurs once the window unit is secured and squared within the rough.

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. Make sure it laps over the bottom flashing at least 2 in.