How To Cut Window Opening In Vinyl Siding

With the window installed the last thing you will need to do to the exterior of the window is to replace any removed vinyl siding.

How to cut window opening in vinyl siding. As you re cutting the siding avoid closing the blades on the tin snips all the way so you get a cleaner cut. Between each cut adjust the blade depth so it is deeper by inch. Sometimes there are little pieces of wood between the window and the wooden studs that hold the window tight. Once the siding has been cut to fit allow inch for expansion it can be slid into the j channel with the bottom locked into place.

Using the line you scored with the hammer and chisel as your cutting guide use the circular saw to cut along the length of the line. This is a trick on how to cut vinyl siding the quickest and easiest way without breaking or chipping it. Use a hammer or a drill to take out any nails or screws that are holding the window in place. Set the depth of the blade to about inch and cut the lap siding in small increments.

Keep cutting until you get all the way across the vinyl siding. Buy a blade made to cut vinyl siding. First lay a strip of vinyl siding onto a flat and clean working table. Hold the panel under the window and mark the width of the window opening on the panel.

Wear safety goggles while you re cutting the siding. Mark cut and notch the top. Add approximately 6 4mm to both sides these marks represent the vertical cuts. You may be able to reuse the old siding if it is not damaged otherwise you may need to cut new sections.

If you re using a sliding miter saw and the siding is still chipping try slowly pulling the saw backward through the siding. They re cheap and available at any home center. Lock a small piece of scrap siding into the lower panel next to the window. With a pencil straightedge and measuring tape you need to draw a straight horizontal line at which you want to cut the strip of vinyl siding into.

Re install the vinyl siding. Vinyl siding can be cut with either tin snipper or a utility knife. Next we are going to score the strip of vinyl siding.