Once you have marked the correct length on the downspout lay it down on a flat surface that has the proper clearance for cutting.
Cutting aluminum gutter downspout.
Repeat the process for additional cuts.
Don t rush into cutting and maintain the cutting line straight.
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.
Sheet metal pros use double cut tin snips either hand type or electric depending on work at hand.
Crimp one end of the downspout crimp one end of the short length of downspout with a special sheet metal crimper.
This video is about helpful hints cutting the downspout.
This is the thing that connects the gutter and downspout together so it is important that it is placed correctly and securely.
When using a jigsaw as with any saw follow all proper safety precautions.
Cut up the corner to your closest measurement mark.
Now that you ve finished cutting the old downspout is ready to be replaced.
This video is about helpful hints cutting the downspout.
With the three blades on the inside of the tube hold the crimper against the inside corner of the tube and squeeze.
On the bottom of the gutter itself take a pencil or marker and trace the outline of a sleeve.
Plug in the saw and squeeze the trigger button.
Opt for a workbench and clamps for extra stability.
Crimp three times across both long edges and twice on the narrow sides.
Cut the closest corner to your first cut to the same spot.
Let go of the trigger when through and then pull the saw back up to its starting position.
This method doesn t produce the cleanest results.
Grab one side of the gutter and lower the saw slowly to the gutter.
Away from the cutting area to prevent injury.
Cut all the way through at a consistent speed.
Begin your cut at one corner on the end you wish to make your cut.
Wear protective glasses and gloves and keep all loose jewelry hair etc.
Step 2 drill four holes in each corner of the outline you made of the sleeve drill one hole.
Cut the downspout with your tin snips.
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.