Cutting Sheet Metal Ductwork

This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390.

Cutting sheet metal ductwork.

Cut sheet metal ducts with tin snips but match the type to the cut. Dia holes in sheet metal. Any tin snips will work for this. Flange insert box with gasket.

Duct work 10 x 4 x 36 long with end cap hvac duct. Round metal duct pipe galvanized sheet metal duct work 24 metal ducts 16 inch hvac 3 inch rigid pipe. But when you come to the thicker locking seam you ll need the extra leverage of compound snips. The master flow 36 in.

Measurements for inches and centimeters are molded into body. Galvanized steel flat sheet can be cut to size for a tough hvac job that requires a customized fitting. Rectangular sheet metal duct. Be sure to wear thick heavy work gloves to protect your hands from the sharp edges of both the ductwork and the cutting tools themselves.

Photo 3 shows how to cut through thick metal. You ll need a drill sheet metal snips a start collar. First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. Https amzn to 2mkd0sj large screw driver.

The klein tools hole cutter will cut 2 in. 20 in x 25 in x 16 in duct square to round. Https amzn to 2ndf97w the best tin aviation snips. To see availability for this product personlog in or get online access.

Flat metal is easier to cut than curved so he uses his knee to support and flatten the pipe while he opens it up. Use compound snips with offset handles for more leverage and thinner cutting blades to cut thick seams straight sections and. Royal metal products 8 x 4 x 4 in. Cutting anything especially metal ductwork can be a dangerous task as the edges of sheet metal are extremely sharp even before you start to cut it.

Https amzn to 2kstzae sheet metal hammer. Make two marks for cutting when replacing ductwork when cutting pipe bob likes to mark the size he needs on each side of the open seam with a marker. There are two ways to cut round ducts. Then you just sight on the far mark while you make the cut.

One end will have an end cap and the other end will be raw notched at 1 2 for easy field modification. In this video we show you the best and safest way to cut a round hole into a can or rectangular duct.