Cut Hole Through Wall With Aluminum Siding

Remember that any imperfections to your cutting will be covered by the thimble.

Cut hole through wall with aluminum siding.

Be sure to work slowly in order to maintain the proper form. 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. Assuming you ve got access from below to the joist space you can use tin snips also called aviation snips to cut the siding and a hole saw or reciprocating saw sabre saw or sawzall to cut. If your perimeter holes touch the circle you drew then your cutting the hole will be that much easier.

In our test it cut through rebar like a hot knife through butter. Cut hole in aluminum siding for bathroom vent fan my house has aluminum siding. Use a nibbler to cut in a straight line. Here s one that claims to come with a circle cutting attachment for 15.

Thick using a ferrous metal cutting blade. Hot metal chips will fly everywhere. It s basically a smallish router and used all the time for cutting holes in drywall shower walls etc. Step 2 cut the width.

Cut metal with your circular saw. Cut across the contours of the aluminum siding with a radial arm saw. Then using a jigsaw cut on the line from hole to hole until you have completed the circle you may need to find blades that will go all the way through otherwise you will need to repeat this process from both sides which is a bit of a pain. I want to install a bathroom vent fan that vents to the exterior of the house straight through the wall.

I have an ancient dewalt 660 with a circle cutting attachment. You can cut mild steel up to about 3 8 in. 6 pull the wall cap and duct out of the wall. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool.

Tons of companies make similar tools. Use the panel to reduce the risk of snags while cutting. While cutting at the width of the aluminum siding make use of straight tin snips. Drill pilot holes through the screw holes on the wall cap and through the mounting block siding and wall.