Although there are many methods of cutting the aluminum gutter the simplest method is to use pattern shears.
Cutting aluminum gutter guard.
Pattern shears are tin snips that have long handles and long narrow jaws that reduce the amount of distortion caused to the cut end of the aluminum gutter.
Beginning where you marked cut all the way down to the bottom side with metal shears.
I installed this on 5 in.
This product fit easily on top of the ferrule.
You can also cut the guard as per your needs and requirements.
This also comes handy if you are not sure about the size of your gutters.
Gutters with nail screw and ferrule for attaching the gutter to the house.
Or you can cut around to the bottom side stop flip the gutter over and continue cutting from the other side until you meet the other cut in the middle.
A m aluminum gutter guard is perhaps the most good looking gutter guard in the market.
Best to install the screws on the front of the gutter guard and then install the screws as it attaches to the drip edge.
You can bend the gutter slightly to easily make the rest of the cut all the way around to the other side.
Just had very heavy rain today and the gutter guard handled it great.
An important part of the aluminum gutter is cutting the pieces of gutter to length.