How To Install Vinyl Siding Finish Trim

Cut and install bottom j flush with the sides of the window casing.

How to install vinyl siding finish trim.

Along the tops install j channel trim with horizontal siding and base trim with vertical siding. Install j channels at doors and windows and under roof eaves and rakes. Then score horizontally with a utility knife and snap out section to be removed. Spend the extra few bucks on the wider stuff and start your siding a bit lower.

Cut siding panel to fit under the opening. Next measure and cut the siding to fit the measurements of your soffit and push each panel into the j channel. Install side j channels flush with the lower face of the bottom j channel and with the top of the window casing. From the top of this row and stretch a string line across the deck.

Most suppliers sell two sizes of starter 2 1 2 in. This is our most comprehensive. Not just another vinyl siding installation video. It protects the sheathing from rain snow and pests.

Make vertical cuts on the siding panel with saw or snips. We cover how to move doors and windows and create a weather proof exterior. Cut the trim so it is two channel widths longer than the opening s width. Cut and install top j flush with the outer face of the side j s.

To provide a common reference point measure up 8 in. Begin by installing the first row of siding on both sides of the deck. Nail the trim every 12 inches on center. Below the top of the foundation but the lower the vinyl siding is installed the better.

Cut a tab in the bottom of the side j channels and fold under. Miter or cut tabs at the ends.