Installing Vinyl Undersill Trim

Before installing door and window trim first caulk around the openings to create a moisture and air proof seal.

Installing vinyl undersill trim.

If the panel is cut on the flat surface install undersill trim backed by furring into the j channel. Or less away add the undersill trim to lock it in place shown. 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. 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.

Furring may be necessary to maintain proper pitch of the siding. 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. Vinyl siding depends on a few special trim pieces that either hold everything together or hide the edges and ends of the panels.

Fitting siding over windows. As with the siding don t drive the nails in flush. Using the snap lock punch punch the panel 1 4 in. Because the siding is beveled the cut edge under a window may end up about 1 2 in.

Along the tops install j channel trim with horizontal siding and base trim with vertical siding. To create a balanced appearance divide the length of the wall by the exposure of the vertical panel to be used. If it falls more than 1 4 in. Install the tops first then the sides and then the bottoms of the window surrounds.

If it falls 1 4 in. Hold the j channel beneath the window then cut and position the undersill trim if you are using it. Below the cut edge at 6 in. Punch snap locks along the cut edge of the panel at 6 152 4mm intervals and snap it into the undersill trim.

Away skip the undersill trim and simply rely on the j channel. Install door window trim. Install undersill trim the width of the window flush to the casing. 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.

The resulting raised lugs should face outward and will snap into undersill trim.