If the downspout is too long, you can cut it to the desired length with a hacksaw.

How to cut gutter downspouts. For a round downspout outlet. In order to cut a metal gutter downspout, you will need a hacksaw. When cutting out sections of downspout, it’s easy to trap or pinch your fingers.

Trace the outline of the downspout opening on the bottom of the gutter and cut an x. If you only have a few to do, you can use tin snips or aviation snips by. Flip a section of aluminum gutter upside down and set it on the table.

Turn over the vinyl section so that the bottom lies against the surface of your worktable. Turn the section of gutter upside down that you want to work on. How do you cut and install aluminum gutters?

Assuming you can take them off without too much trouble, they cut easily on a chop saw with a carbide blade. If you have an older one already installed, measure the existing downspout for perfect measurements by. First, measure the height of the downspout from the top to the bottom.

Cut new downspouts using tin snips protect your hands. Measure the length that you need to cut and make a pencil mark on the bottom of the gutter. Use the appropriate hole saw.

On the bottom of the gutter itself, take a pencil or marker and trace the outline of a sleeve. This is the thing that connects the gutter and downspout together, so it is important. Not having a premade outlet: