Cut Hole Through Wall With Aluminum Siding

It s basically a smallish router and used all the time for cutting holes in drywall shower walls etc.

Cut hole through wall with aluminum siding.

I have an ancient dewalt 660 with a circle cutting attachment. 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. Measure from the edges of the sheet metal to the point at which you wish to place the hole. Don t lock the trigger on.

Apply a thick bead of silicone adhesive. Line the blade up with the drawn line. Create a paper pattern of the size and shape of hole you wish to cut. Open the power shears and slide the bottom blade under the metal siding.

Here s one that claims to come with a circle cutting attachment for 15. Drill pilot holes through the screw holes on the wall cap and through the mounting block siding and wall. Like twist bits hole saws chuck right into your drill and will cut through thin gauge sheet metals like aluminum and steel. 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.

If the drill tilts to one side it may bind and jerk. Tons of companies make similar tools. Hole saws cut bigger holes for large holes a hole saw gets the job done cleanly and quickly. 6 pull the wall cap and duct out of the wall.

5 cut along one of the vertical lines with the power sheers. Hold your drill firmly with two hands photo 4 and brace it against your leg if possible. 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. Sometimes called a spiral saw or rotary cutting tool.