With as saw i can cut a miter in copper gutters so tight that i can butt them and solder them from the inside without tabbing and folding one side.
Cutting aluminum gutters with miter saw.
Your other option for cutting the downspout is to use a jigsaw outfitted with a metal cutting blade.
A hacksaw or coping saw also do the job just fine in a pinch.
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.
How to cut a custom gutter miter.
The process to change a saw blade differs depending on the brand and model of the saw so check your user s guide if you are unsure.
This is an industry standard aluminum cutting circular saw blade which is not only good at cutting aluminum and other non ferrous materials but it also gives them a nice finish.
I recommend this method if you have a jigsaw handy because it will result in the cleanest cut.
You can bend the gutter slightly to easily make the rest of the cut all the way around to the other side.
Unplug the miter saw if it is plugged into an electrical source.
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.
When cutting gutter material on the miter saw turn the profile upside down so the cut enters the more stable underside of the gutter rather than the top edges.
I used a non ferrous metal cutting blade that i go.
But if i m doing one miter i do it by hand.
If there s ten to do the saw comes out.
Therefore i would rate this saw blade for cutting aluminum a 4 7 on a scale of 5.
Concord blades 100 teeth tct non ferrous.
Miter saws are the most common tool used for cutting gutters especially metal and plastic gutters.
Now let me walk.
I m pretty adept with snips but i can do it a lot faster and cleaner with a saw.
This is a quick video showing how i cut some aluminum angle strips with a dewalt dw713 compound miter saw.
Install a 12 inch blade with a carbide tipped finish on the miter saw.
Fit the miter saw with a carbide tipped finish blade for cutting through metal but this is the fastest and most efficient tool for cutting through any type of gutter material.