You can do this using a mitre box and saw.
How to cut vinyl siding with miter saw.
The saw was mounted on a track made of 2 aluminum l brackets about 4 long the saw was kept on line because it was trapped inside the verticle l bracket the saw blade cut into a plywood base barely.
Using a circular saw using handheld tin snips or using a handheld utility knife.
There are three primary methods you can use to cut vinyl siding effectively.
Circular saw fit a circular saw with a fine toothed plywood cutting blade.
There are a number of different tools you can use to actually cut the vinyl siding depending on your preference.
Use tin snips or a rotary tool to make curved cuts.
When cutting vinyl siding the installer will most likely use a miter saw radial arm saw jig saw or chop saw to produce detailed cuts through the planks.
You can even use a miter saw or a circular saw.
Because chop saws can only cut at a right angle it is best to use a miter saw or radial arm saw for more complex cuts.
You can also use tin snips to make crosscuts.
When making longitudinal cuts score with a knife and break along the score line.
Cut the vinyl siding using a handsaw utility knife or tin snips with large blades.
Cutting vinyl railing may require you to cut angled corners at the point where railing changes directions or abuts a fence post at an angle.
Install a plywood blade backward onto a circular saw.
For years i have been cutting vinyl siding with only a standard 8 skill saw and a standard plywood blade.
Carbide tip mitre saws allow for manual angle cutting.
If you need to cut vinyl strips lengthwise making much longer cuts use a utility knife for the best control.
These include miter saws chop saws table saws and handheld circular saws.