How To Trim Vinyl Siding Around Windows

Cut a 1 inch notch out of the j molding at both ends by scoring it with a utility knife across its top side.

How to trim vinyl siding around windows.

For even more personality and charm add a decorative corner or crown molding above the door or window. Lineal trim can help unify and accent a home s exterior adding a design element that can be both subtle and distinctive. 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. Certainteed window and door trim puts out the welcome mat creating a first impression with lasting effect.

Lock the panel into the one below it then gently snug it up before nailing. Use tin snips to cut a length of j molding 2 inches longer than the width of the window. Apply a bead of caulk to the felt and set the window in the caulk. At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap.

Marking the position of each piece before you remove it photo 2 will help you reposition the siding without stretching it. Install the trim just under the drip cap.