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.
How to install vinyl siding window trim.
Installing vinyl siding around windows.
Before installing door and window trim first caulk around the openings to create a moisture and air proof seal.
Cut and install new j channel along the sides and top of the window.
Instruction on how to install exterior 2x4 trim around a new or old window.
Available in a variety of colors and styles vinyl siding is widely used and favored by many contractors and do it yourselfers for its durability.
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.
Install door window trim.
Along the tops install j channel trim with horizontal siding and base trim with vertical siding.
Install the top piece of molding snapping it over the vertical side moldings.