Installing Vinyl Window Flashing

Nail off the window.

Installing vinyl window flashing.

Sill pan flashing options pre formed or site built pan flashing channels water out where it won t rot the sills under windows or the floors under doors. Protect your windows vinyl siding with flashing. Doing this creates the overlaps necessary to divert water instead of allowing it to seep inside. Step 1 prepare.

Follow these simple steps to help the installation process go smoothly. Make sure it laps over the bottom flashing at least 2 in. 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.

And extends 2 in. Flashing vinyl windows must start at the bottom of the window opening and work toward the top. The type and location of the flashings will vary depending on the type of windows and doors. 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.

Watertight window flashing q. 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. Ideally when you replace an existing window with a new one it should be weatherproofed using this same system. The system we re showing is for new window installation.

Other contractors install flashing but fail to integrate it correctly into the water resistive barrier. Since window flashing is integral to the performance of the window you must have a reliable window contractor. Chances are though that the existing windows are missing proper flashing house wrap or even felt. Install flashing next to the window.

Look for a licensed columbus window installation firm. 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. When installing new windows i believe it is considered good practice to allow the head flashing above the window trim to overhang a little bit on each side. Instruction on how to install exterior 2x4 trim around a new or old window.