Installing Vinyl Siding Window Trim

Install the tops first then the sides and then the bottoms of the window surrounds.

Installing vinyl siding window trim.

Before installing door and window trim first caulk around the openings to create a moisture and air proof seal. Install undersill trim the width of the window flush to the casing. Measure the width of the piece you need to cut by holding the length of siding against the window and marking the edge points on the panel with a pencil. Below the cut edge at 6 in.

Install siding at the top of a window or door in a similar fashion but this time set the siding on the window channel and use the window trim to mark the cut. To prevent the relatively thin panels from buckling observe these fitting and nailing rules. The resulting raised lugs should face outward and will snap into undersill trim. Fitting siding over windows.

Cutting and installing the siding 1 place the piece of siding to be installed under the window along the bottom edge and hold it where it will be located horizontally along the wall. Install siding around windows. When you get to a window you will need to cut sections from the panels directly above and below it to fit. Furring may be necessary to maintain proper pitch of the siding.

Using the snap lock punch punch the panel 1 4 in. Along the tops install j channel trim with horizontal siding and base trim with vertical siding. Gap at all ends. Lineal trim can help unify and accent a home s exterior adding a design element that can be both subtle and distinctive.

Certainteed window and door trim puts out the welcome mat creating a first impression with lasting effect. The siding slides behind vinyl siding trim pieces that hide the gap and the cut end.