Insert the top crimped section into the lower section as far as it will go.

How to cut gutters and downspouts. Use the square to transfer the line all the way around the gutter. First, mark the spot where you want to cut. If the downspout is clogged, clear it out by packing the downspout's top opening around the hose with a rag,.

Secure the seam with two sheet metal. Start cutting on the other side, until you reach the bottom once again. Flip the aluminum section over so that the bottom lies against the surface of your worktable.

Then, take your screwdriver and screw the sheet. Set up a work table. Hold it securely in place.

Crimp all the way around the downspout to a depth of at least 1 inch. Unreel the line as you move to the opposite end of the. In order to cut a metal gutter downspout, you will need a hacksaw.

If you have an older one already installed, measure the existing downspout for perfect measurements by. How to cut and install a downspout Have a helper turn on the water and check for downspout flow.

Cut new downspouts using tin snips protect your hands. First, measure the height of the downspout from the top to the bottom. Grab the pattern shears and cut along the marked line.