Opt for a workbench and clamps for extra stability.
Cutting aluminum gutter downspout.
Sheet metal pros use double cut tin snips either hand type or electric depending on work at hand.
Cut up the corner to your closest measurement mark.
When using a jigsaw as with any saw follow all proper safety precautions.
This is the thing that connects the gutter and downspout together so it is important that it is placed correctly and securely.
Crimp three times across both long edges and twice on the narrow sides.
Crimp one end of the downspout crimp one end of the short length of downspout with a special sheet metal crimper.
Grab one side of the gutter and lower the saw slowly to the gutter.
If you re using tin snips you ll want to use one of shears to poke a hole in the downspout along the line you ve marked when you measured.
Because aluminum is soft and very pliable the cutting should be very easy and smooth.
To cut the aluminum you can use a metal cutting blade with the jigsaw.
Then work the tin snips through the downspout and cut along the line until you ve completely cut through the downspout.
Away from the cutting area to prevent injury.
With the three blades on the inside of the tube hold the crimper against the inside corner of the tube and squeeze.
For cutting any kind of sheet metal tubing the weapon of choice.
Cut the downspout with your tin snips.
Once you have marked the correct length on the downspout lay it down on a flat surface that has the proper clearance for cutting.
Cut the closest corner to your first cut to the same spot.
Repeat the process for additional cuts.
Don t rush into cutting and maintain the cutting line straight.
Step 2 drill four holes in each corner of the outline you made of the sleeve drill one hole.
This video is about helpful hints cutting the downspout.
Begin your cut at one corner on the end you wish to make your cut.
Plug in the saw and squeeze the trigger button.
There is simply no other way to make a nice clean cut in the middle of a 4 water heater vent for example or the downspout tubing in your case.
Let go of the trigger when through and then pull the saw back up to its starting position.
Cut all the way through at a consistent speed.
This method doesn t produce the cleanest results.
This video is about helpful hints cutting the downspout.