Install j channels at doors and windows and under roof eaves and rakes.
Installing vinyl wall trim.
This video shows how to properly trim around fixtures when installing vinyl siding.
Surface preparation for vinyl siding installation securely nail all loose boards and wood trim and replace any rotted boards.
The build up of old caulking interferes with the positioning of new trim for the siding.
Along the tops install j channel trim with horizontal siding and base trim with vertical siding.
Press the vinyl trim up against the wall and press firmly all along the base to secure it to the wall.
It may help to scribe a light line on the wall that you can line up the top edge of the molding with as you go to ensure a straight application.
Use your hands and press along the length of the vinyl trim making sure it is even with the ground.
Cut the trim so it is two channel widths longer than the opening s width.
Nail the trim every 12 inches on center.
Scrape away old caulking around windows and doors.
Miter or cut tabs at the ends.