Nail the trim every 12 inches on center.
Installing vinyl wall trim.
Along the tops install j channel trim with horizontal siding and base trim with vertical siding.
Use your hands and press along the length of the vinyl trim making sure it is even with the ground.
This video shows how to properly trim around fixtures when installing vinyl siding.
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.
Press the vinyl against the wall and flush on the floor as you work down the wall.
Surface preparation for vinyl siding installation securely nail all loose boards and wood trim and replace any rotted boards.
Install j channels at doors and windows and under roof eaves and rakes.
Cut the trim so it is two channel widths longer than the opening s width.
Miter or cut tabs at the ends.
Scrape away old caulking around windows and doors.
Butt one end of the vinyl against the door molding or into the corner.