Use a carpenter s square to get around to the bottom.
Cutting metal gutters.
Use the old adage measure twice and cut once then turn the gutter upside down on the table and mark it all the way around.
Metal shears can be dangerous if not used properly.
Properly installing the gutters around your home will reduce leaks increasing the efficiency of your home s gutter system.
Miter saw miter saws are the most common tool used for cutting gutters especially metal and plastic gutters.
You ll thank me later.
Metal gutters can be cut with aviation tin snips.
Always wear proper safety gear such as protective goggles and gloves when working with metal shears.
Hold the gutter firmly against the fence of the table the short wall at the back of the table that makes it possible to cut straight lines.
Place the gutter on the miter saw table.
Step 4 adjust the angle of the saw if the gutter goes on a corner.
Cut along the marked line you placed on the aluminum gutter starting at the flange turning inward toward the opening of the aluminum gutter.
Proceed to cut down along the side of the aluminum gutter repeat the process to cut down along the other side of the aluminum gutter.