You should position the siding so that the cutting line is hanging off the edge for obvious reasons.
Cutting siding with mitre saw.
Cut aluminum with your miter saw making accurate cuts on aluminum rods tubes and angles is easy with a miter saw and a blade designed to cut nonferrous metal check the label.
Mark the area to cut and slowly feed the blade into the siding.
It saved me countless hours of work.
With today s sliding miter saws bringing the saw out to the front edge of the board and making the cut as the saw goes back towards home the saw teeth do not have the climbing engagement with the wood.
Miter cut on a wide board clamp your workpiece for bevel cuts.
I show you a simple wooden jig i built myself to cut new aluminum soffit.
Install a plywood blade backward onto a circular saw.
Best 12 metal cutting blade.
Release it as soon as the blade is fully engaged in the wood.
The climbing phenomenon is defeated.
This jig can also be used to easily cut vinyl.
If the motor housing on your saw is open and could collect metal chips tape a piece of cloth over the openings to protect the motor windings and bearings while you cut.
Failing to do this can result in your circular saw cutting into the workbench or table beneath the siding itself.
Lay the vinyl siding on a flat table or workbench.
The one blade we d recommend you use to definitely cut non ferrous metals with your miter saw is the freud lu77m012 d1296l 12 inch blade with 96 teeth and a 1 inch arbor.
Once again this contributes to giving the vinyl siding a clean cut.
The cut is cleaner and the job is done much more safely.