For these kinds of cuts tin snips are very handy.
Best way to cut a hole in aluminum siding.
The speed along with the vibrating blades ensure that you get a straight cut.
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.
Cut a portion of the intact siding material to match the piece you just cut out.
A nibbler is made from two small blades that vibrate up and down at a very high speed.
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.
Take the x acto knife and cut out the portion of the aluminum siding that contains the large hole.
While cutting at the width of the aluminum siding make use of straight tin snips.
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.
The less you have to cut the better.
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.