Cut Hole Through Wall With Aluminum Siding

Here s one that claims to come with a circle cutting attachment for 15.

Cut hole through wall with aluminum siding.

I want to install a bathroom vent fan that vents to the exterior of the house straight through the wall. Cut hole in aluminum siding for bathroom vent fan my house has aluminum siding. Step 2 cut the width. In our test it cut through rebar like a hot knife through butter.

Cut across the contours of the aluminum siding with a radial arm saw. I have an ancient dewalt 660 with a circle cutting attachment. Drill pilot holes through the screw holes on the wall cap and through the mounting block siding and wall. Cut metal with your circular saw.

Apply a thick bead of silicone adhesive. Sometimes called a spiral saw or rotary cutting tool. If your perimeter holes touch the circle you drew then your cutting the hole will be that much easier. Use the panel to reduce the risk of snags while cutting.

Remember that any imperfections to your cutting will be covered by the thimble. It s basically a smallish router and used all the time for cutting holes in drywall shower walls etc. 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. You can cut mild steel up to about 3 8 in.

While cutting at the width of the aluminum siding make use of straight tin snips. Be sure to work slowly in order to maintain the proper form. Tons of companies make similar tools. Thick using a ferrous metal cutting blade.

Use a nibbler to cut in a straight line. Hot metal chips will fly everywhere. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. 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.