On the bottom of the gutter itself take a pencil or marker and trace the outline of a sleeve.
Cut holes in gutters.
If the patch isn t already small enough to lay flat against the inside of the gutter and over the hole cut it down to size with your metal snips.
Then i used a fine tooth metal cutting blade in my jig saw.
This one came with holes in it for rivets.
Cut the gutter from the bottom with a fine toothed hacksaw.
Once you cut the patch it may have sharp corners and edges.
Keep your thick work gloves on.
Step 1 is to draw the shape of the hole and drill s few holes around that shape.
Make sure the patch is large enough to overlap the hole by at least 1 in 2 5 cm on all sides.
Place the blade in the 90 degree or right angle grooves of the miter box or on the line drawn with the square and cut the vinyl gutter firmly.