How To Trim Window Vinyl Siding

Pry off the vinyl siding and j channel from around the perimeter of the window.

How to trim window vinyl siding.

Use tin snips to trim off the metal flashing covering the exterior windowsill. For even more personality and charm add a decorative corner or crown molding above the door or window. Mark the inside of the window and one inch past that mark. To expedite installing vinyl siding on your home or for large projects you may want to call a professional vinyl siding company.

Start by laying the bottom cap flush against the edge of the wood frame. Vinyl siding window trim however is very resistant to the elements. Along the tops install j channel trim with horizontal siding and base trim with vertical siding. Some vinyl trim can even be produced to look like wood grain.

Install j channels at doors and windows and under roof eaves and rakes. Cut a 1 inch notch out of the j molding at both ends by scoring it with a utility knife across its top side. Not all windows require this but if yours does call a professional for this step. Exterior window trim on vinyl siding if your home has vinyl siding and you d like to add vinyl window trim you will first need to remove the existing siding and j channel from around the windows.

Measure from the locking tab of the siding below to the undersill trim to determine the depth of the notch. Cut the trim so it is two channel widths longer than the opening s width. Repeat for the other required notched corners. Maneuvering long pieces of vinyl into place can be tricky.

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. It will not readily break warp or bow let alone rot. Fashioning metal window trim with a brake is complicated for a do it yourselfer.

Push one end of longer pieces into the trim then bow the siding slightly and guide the other end into the trim. Install the tops first then the sides and then the bottoms of the window surrounds.