Cut Hole Through Wall With Aluminum Siding

Use the panel to reduce the risk of snags while cutting.

Cut hole through wall with aluminum siding.

It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. Cut across the contours of the aluminum siding with a radial arm saw. If your perimeter holes touch the circle you drew then your cutting the hole will be that much easier. Remember that any imperfections to your cutting will be covered by the thimble.

Cut hole in aluminum siding for bathroom vent fan my house has aluminum siding. Use a nibbler to cut in a straight line. In our test it cut through rebar like a hot knife through butter. Drill pilot holes through the screw holes on the wall cap and through the mounting block siding and wall.

Tons of companies make similar tools. 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. 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. 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.

Sometimes called a spiral saw or rotary cutting tool. I have an ancient dewalt 660 with a circle cutting attachment. You can cut mild steel up to about 3 8 in. Be sure to work slowly in order to maintain the proper form.

It s basically a smallish router and used all the time for cutting holes in drywall shower walls etc. Apply a thick bead of silicone adhesive. Step 2 cut the width. Hot metal chips will fly everywhere.

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. While cutting at the width of the aluminum siding make use of straight tin snips. Here s one that claims to come with a circle cutting attachment for 15. Thick using a ferrous metal cutting blade.