Cut the gutter material at a 45 degree angle with a miter saw or a miter box and hacksaw. Lay the gutter straight on the cut surface and cut to the desired angle. Repeat this process with a second piece of gutter material but cut the 45 degree angle in the opposite direction.
Miter Saw. Miter saws are the most commonly used tool for cutting gutters, especially metal and plastic gutters. Equip the miter saw with a carbide-tipped finishing blade to cut through metal, but this is the fastest and most efficient tool for cutting through any type of gutter material.
Miter by definition: “a connection between two objects“. Gutter Miters are installed in each corner of the home where two gutter corner pieces are joined together. There are four main miter types.
Although there are many methods for cutting the aluminum gutter, the easiest method is using pattern scissors. Pattern snips are tin snips with long handles and long, narrow jaws that reduce distortion of the cut end of the aluminum gutter.