Utility Trim: a piece of trim used any time the top lock has been removed from the siding, to secure a siding panel. Also referred to as “undersill” or “finish” trim; double utility trim is also available.

What is the trim on vinyl siding called?

Starter Trim Starter trim, also known as starter strip, is the foundational trim in any vinyl siding installation project. It is typically installed at the bottom of the house’s perimeter and serves as a foundation for locking the first row of siding.

Should I put foam board behind my vinyl siding?

Basically, in order to get a good insulation value out of foam board, it has to installed directly on the sheathing of the house. … Basically, if you want extra R-value for your walls but do not want to tear off your siding, don’t bother with the foam board.