Installing Vinyl Undersill Trim

Along the tops install j channel trim with horizontal siding and base trim with vertical siding.

Installing vinyl undersill trim.

Or less away add the undersill trim to lock it in place shown. Away skip the undersill trim and simply rely on the j channel. Before installing door and window trim first caulk around the openings to create a moisture and air proof seal. The resulting raised lugs should face outward and will snap into undersill trim.

Hold the j channel beneath the window then cut and position the undersill trim if you are using it. Although installing vinyl siding by yourself might save you a lot of money you should definitely consider hiring a contractor if you ve never installed vinyl siding before. If the panel is cut on the flat surface install undersill trim backed by furring into the j channel. As with the siding don t drive the nails in flush.

Install door window trim. To create a balanced appearance divide the length of the wall by the exposure of the vertical panel to be used. Using the snap lock punch punch the panel 1 4 in. Out from the wall.

If it falls more than 1 4 in. When to use undersill trim. Install undersill trim the width of the window flush to the casing. Because the siding is beveled the cut edge under a window may end up about 1 2 in.

Undersill trim using vinyl siding installation. If it falls 1 4 in. Below the cut edge at 6 in. Check the section when to install undersill trim you ll now drive roofing nails into the slots spacing them about 8 to 10 inches apart.

Install the tops first then the sides and then the bottoms of the window surrounds. Undersill trim for instance is installed under windowsills or other horizontal projections and grasps the top edge of the siding panel below it see installing window trim. Fitting siding over windows. Installing vinyl siding is an involved process which requires a lot of time and skill.

The images on our website can be used to assist in your purchasing decision but should not be relied on as the sole reference point.