Connect 2 Gutters

If you have a straight run gable roof measure from shingle to shingle and then add 1 2 inch to each side.
Connect 2 gutters. Rivets at the front of the gutter and installing the first rivet with the rivet gun. The downspout is the piece that is attached to the side of the home and channels runoff to the ground away from your home. First apply gutter sealant or mastic to the top side of the seamer piece. You can also direct two short gutters into one downspout.
To join the end drop to the gutter or to join any gutter section to another requires a seamer the seamer is a 3 inch wide piece of aluminum in a k profile to match the gutter. Measure the total run of the gutter length you need. If you have inside corners subtract 5 inches. How to connect two sections of gutters if you are going to put gutters around your house and you have some long sections you are going to have to piece two.
Now drill the remaining holes and install the rivets. If you prefer you can use pop rivets to connect pieces of guttering instead of self tapping screws. You ll need drop outlets to connect the gutters to the downspouts. If you have a straight run gable roof measure from shingle to shingle and then add 1 2 inch to each side for a slight overlap.
Join the gutter to the corner with six rivets in the locations shown. For outside corners measure from corner to corner. Things needed tape measure straightedge tin snips or hacksaw needle nose pliers ladder.