How To Trim Vinyl Siding

Cut the side j channel 2 in.

How to trim vinyl siding.

We cover how to move doors and windows and create a weather proof exterior. Make the miter cut on the bottom with shears. This is our most comprehensive. Undersill trim for instance is installed under windowsills or other horizontal projections and grasps the top edge of the siding panel below it see installing window trim.

There are three ways to cut vinyl siding each of which is the best for different circumstances. Install siding at the top of a window or door in a similar fashion but this time set the siding on the window channel and use the window trim to mark the cut. Before installing door and window trim first caulk around the openings to create a moisture and air proof seal. Cut j channel for the sides of the window.

Install the tops first then the sides and then the bottoms of the window surrounds. Along the tops install j channel trim with horizontal siding and base trim with vertical siding. 1 2 inch 1 3 cm plywood or osb are common substrates and these are generally covered with roofing felt or another moisture barrier prior to siding the walls. The vinyl siding trim pieces should slide back and forth slightly.

Remove any siding or exterior finish that isn t compatible with vinyl siding and make sure the walls are sheathed with a substrate to receive the siding. Longer than the height of the window. If you need to cut a lot of vinyl strips and you re making short. This video shows how to properly trim around fixtures when installing vinyl siding.

Lap the side over the bottom as shown. Vinyl siding depends on a few special trim pieces that either hold everything together or hide the edges and ends of the panels. Not just another vinyl siding installation video.