Measure the gutter to the desired length.
Cutting aluminum gutters with miter saw.
Activate the saw and slowly bring it down until it severs the piece.
This is a quick video showing how i cut some aluminum angle strips with a dewalt dw713 compound miter saw.
Laying your gutter on the workbench measure off the amount of gutter you want to cut and mark it with a pencil.
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.
How to cut gutters with miter saws step 1.
How to cut a custom gutter miter.
When using a miter saw secure the pipe at the mark under the saw blade at the workbench.
Clamp the material well and go slow or the saw might grab bend twist the aluminum.
Mark a spot on the edge of the gutter with a pencil as a guide for.
The speed of the blade combined with the backward teeth make a nice clean cut with very little operator effort and without the teeth tearing out and distorting the metal.
Use a carpenter s square to get around to the bottom.
Use it to make straight cuts as well as angle cuts depending on where you are installing the guttering.
Activate the saw and slowly bring it down until it severs the piece.
If there s ten to do the saw comes out.
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.
If you re making a lot of cuts together or cutting thick metal do it in steps letting the metal cool between each step.
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 the aluminum.
Unplug the miter saw if it is plugged into an electrical source.
I m pretty adept with snips but i can do it a lot faster and cleaner with a saw.
Install a 12 inch blade with a carbide tipped.
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.
But if i m doing one miter i do it by hand.
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.
