Installing Vinyl Siding Window Trim

Using the snap lock punch punch the panel 1 4 in.

Installing vinyl siding window trim.

For even more personality and charm add a decorative corner or crown molding above the door or window. Certainteed window and door trim puts out the welcome mat creating a first impression with lasting effect. Install the tops first then the sides and then the bottoms of the window surrounds. Furring may be necessary to maintain proper pitch of the siding.

The resulting raised lugs should face outward and will snap into undersill trim. Gap at all ends. 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. Vinyl siding installation is designed to hang loosely on the sheathing so that it can expand and contract with temperature changes.

Fitting siding over windows. The siding slides behind vinyl siding trim pieces that hide the gap and the cut end. To prevent the relatively thin panels from buckling observe these fitting and nailing rules. Install siding around windows.

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. Install undersill trim the width of the window flush to the casing. Before installing door and window trim first caulk around the openings to create a moisture and air proof seal. When you get to a window you will need to cut sections from the panels directly above and below it to fit.

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. Instruction on how to install exterior 2x4 trim around a new or old window.