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.

Vinyl siding installation is designed to hang loosely on the sheathing so that it can expand and contract with temperature changes. The resulting raised lugs should face outward and will snap into undersill trim. Below the cut edge at 6 in. The siding slides behind vinyl siding trim pieces that hide the gap and the cut end.

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. Using the snap lock punch punch the panel 1 4 in. Fitting siding over windows. Certainteed window and door trim puts out the welcome mat creating a first impression with lasting effect.

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 siding around windows. Gap at all ends. Along the tops install j channel trim with horizontal siding and base trim with vertical siding.

Furring may be necessary to maintain proper pitch of the siding. To prevent the relatively thin panels from buckling observe these fitting and nailing rules. For even more personality and charm add a decorative corner or crown molding above the door or window. Install undersill trim the width of the window flush to the casing.

Instruction on how to install exterior 2x4 trim around a new or old window. When you get to a window you will need to cut sections from the panels directly above and below it to fit.