A hole saw tin snips etc will slice right through it.
Cutting hole in vinyl siding.
When we cut with a circular saw we often install the blade backwards to minimize ripping and tearing of the vinyl.
Make crosscuts on vinyl siding using a circular saw but you should install a vinyl cutting blade to minimize chip out.
That said the hole is the least of your effort.
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Fit a circular saw with a fine toothed plywood cutting blade.
The best way to cut vinyl siding circular saw.
This is a trick on how to cut vinyl siding the quickest and easiest way without breaking or chipping it.
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Place a strip of siding on the work table and align the place you plan to cut it with the edge of the table.
Clean the siding around the hole with vinyl siding cleaner or dish detergent and water then dry the siding.
You can also use tin snips to make crosscuts.
When making longitudinal cuts score with a knife and break along the score line.
Cutting the vinyl siding is easy.
For the smoothest cuts put the blade in.
It should snap apart.