Cut a piece of aluminum about 1 inch bigger than the hole using tin snips.
Best way to cut a hole in aluminum siding.
While cutting at the width of the aluminum siding make use of straight tin snips.
Sand the corners of the area you cut and lightly sand an area of about 1 inch on both sides the top and bottom of the gap.
Place the patch over the hole holding it with a steel clamp.
A nibbler is made from two small blades that vibrate up and down at a very high speed.
When using a hole saw to drill the hole in aluminum siding keep the saw slightly tilted to one side to reduce the chances that the hole saw will bind while cutting the hole.
Take the x acto knife and cut out the portion of the aluminum siding that contains the large hole.
If you notice that the saw binds pull the hole saw away from the siding tilt the hole saw in a different direction and restart drilling the hole.
For these kinds of cuts tin snips are very handy.
Use a nibbler to cut in a straight line.
Step 2 weld the patch onto the aluminum with a propane torch.
There will come a time in any aluminum siding project where you ll need to make a cut that isn t as simple as a straight vertical cut you can make with your saw.
Hopefully you have a set of tin snips that will allow you to make cuts in any direction.