Make sure to seal the drop outlet to the gutter with seam sealer.
Cutting hole in gutter for downpipe.
You can cut out the larger hole with a tin snips or you could use an oscillating multi tool equipped with a metal cutting blade.
Step 1 is to draw the shape of the hole and drill s few holes around that shape.
The first thing you should do is decide where the best place to reconfigure one of your downspouts into a gutter.
Then i used a fine tooth metal cutting blade in my jig saw.
Here you can see the shape of the downspout flange i had.
Step 2 drill four holes.
Center the connector around the hole and trace the outside of the connector with the pencil.
Step 1 find the right location.
Step 4 secure the sleeve to the gutter.
Step 3 cut the tracing for the connector with a pair of sheet metal cutters.
This one came with holes in it for rivets.
Insert the drop outlet in the hole and fasten the new downspout with sheet metal screws.
How to cut and install a gutter outlet.