How To Install Trim Corners Around Windows For Vinyl Siding

After the insulation is in place you want to install trim around the inside to finish the job.

How to install trim corners around windows for vinyl siding.

Many people myself included are very sensitive to insulation. Install the tops first then the sides and then the bottoms of the window surrounds. You can use wood trim from the hardware store or some other product. Cut the trim so it is two channel widths longer than the opening s width.

Install j channels at doors and windows and under roof eaves and rakes. When installing window molding start at the top. But in my experience the best product is a vinyl flat trim that matches the window frame. Cut a 45 degree angle on one end of the trim and hold it so the short end of the angle.

Along the tops install j channel trim with horizontal siding and base trim with vertical siding. Here s how they do it.