Install a plywood blade backward onto a circular saw.
Cutting vinyl siding with a circular saw.
Mark the area to cut and slowly feed the blade into the siding.
Use tin snips or a rotary tool to make curved cuts.
You can find a fine tooth plywood saw blade online or at your local home improvement store.
When making longitudinal cuts score with a knife and break along the score line.
A fine tooth plywood saw blade will give you the best results when cutting vinyl siding with a circular saw.
Avoid using other kinds of saw blades or you may not get a clean cut.
This prevents the teeth of the saw from grabbing the material.
You can also use tin snips to make crosscuts.
Using the jig to cut vinyl siding with a circular saw you can find specialty vinyl siding blades but most people just turn a fine toothed blade around so it spins the opposite direction.
These include miter saws chop saws table saws and handheld circular saws.