Cutting Aluminum Gutter Downspout

Cut up the corner to your closest measurement mark.

Cutting aluminum gutter downspout.

Now that you ve finished cutting the old downspout is ready to be replaced. Cut the closest corner to your first cut to the same spot. When using a jigsaw as with any saw follow all proper safety precautions. Crimp one end of the downspout crimp one end of the short length of downspout with a special sheet metal crimper.

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. Let go of the trigger when through and then pull the saw back up to its starting position. Grab one side of the gutter and lower the saw slowly to the gutter. Begin your cut at one corner on the end you wish to make your cut.

Then work the tin snips through the downspout and cut along the line until you ve completely cut through the downspout. This is the thing that connects the gutter and downspout together so it is important that it is placed correctly and securely. This video is about helpful hints cutting the downspout. Step 2 drill four holes in each corner of the outline you made of the sleeve drill one hole.

With the three blades on the inside of the tube hold the crimper against the inside corner of the tube and squeeze. 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. For cutting any kind of sheet metal tubing the weapon of choice.

Plug in the saw and squeeze the trigger button. Once you have marked the correct length on the downspout lay it down on a flat surface that has the proper clearance for cutting. This video is about helpful hints cutting the downspout. Don t rush into cutting and maintain the cutting line straight.

Opt for a workbench and clamps for extra stability. Cut all the way through at a consistent speed. Away from the cutting area to prevent injury. Repeat the process for additional cuts.

This method doesn t produce the cleanest results. Crimp three times across both long edges and twice on the narrow sides. Wear protective glasses and gloves and keep all loose jewelry hair etc. Sheet metal pros use double cut tin snips either hand type or electric depending on work at hand.