Installing Vinyl Siding Around Existing Windows

The newly installed window will need to be trimmed out with j channel or j molding before the siding can be reinstalled.

Installing vinyl siding around existing windows.

If you have vinyl or aluminum siding you may need to install a j channel to hold the trim. Now cut the siding along the outline with your circular saw adjusted so that the blade depth equals the thickness of the siding. Start the cut with the toe of the saw plate on the siding but with the blade and heel of the plate above the surface. If they re rotten or badly out of square the whole unit including the frame may need replacing.

The type and location of the flashings will vary depending on the type of windows and doors. If you have vinyl or metal flanged windows for instance you can install drip cap flashing 4 the home depot over the window itself or over the top trim piece that you install. Measure the width of the piece you need to cut by holding the length of siding against the window and marking the edge points on the panel with a pencil. When you get to a window you will need to cut sections from the panels directly above and below it to fit.

Gap at all ends. Install siding around windows. Proper installation of siding around a window requires. Best way to cut vinyl siding and installation.

This is a much bigger and more complicated job than installing a vinyl window insert and may require a pro. Instruction on how to install exterior 2x4 trim around a new or old window. 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. For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes.

However before deciding to tackle the how to install replacement windows job yourself check the condition of your existing window frames. To prevent the relatively thin panels from buckling observe these fitting and nailing rules.