How To Assemble Round Sheet Metal Duct

If one end is not crimped you must crimp it by using the.

How to assemble round sheet metal duct. Insert the crimped end of the round duct into the uncrimped end of the next round duct. In 1986 i use to work at the sheet metal shop where we made all the ducts and fittings almost exclusively by hands. Yes we had a hydraulic guillotine shear sheet metal brakes slip roll machine hand tools and this about it. Run the tool around the end of the duct so that you have multiple parallel crimps.

It may seem confusing adjusting a r. Use your leg a workbench or the ground to support the back side of the pipe. Use one hand to keep the two edges close and the other to apply downward pressure. Assemble the metal ducting like a zipper when assembling pipe start at one end and work the seam together like a zipper.

You ll need a drill sheet metal snips a start collar. If you don t want to spring for a dedicated tool i ve seen where people use needle nosed pliers to do the crimping. If the ducts are difficult to. That piece should slide right into the uncrimped piece giving you a secure connection to tape.

Select duct pieces for the connection that have crimped and uncrimped ends. Duct fittings can be made quickly and easily ensuring production in other areas is not. The str 750 square to round duct former from roper whitney has revolutionized square to round duct forming. A great video that will show you how east it can be to put together round duct work.

Nevertheless we were able to make all kinds of rectangular and round ducts and all types of fittings. In this video we show you the best and safest way to cut a round hole into a can or rectangular duct. Save up to 30 when you sign up with this link to housecall pro.