How To Install Sheet Metal Ductwork

Boots registers and other fittings are not included.

How to install sheet metal ductwork.

The three screws will prevent the two ducts from moving and separating at the new seam. Assemble the metal ducting like a zipper when assembling pipe start at one end and work the seam together like a zipper. How to adjust a round sheet metal ductwork elbow. Joints 1 are attached and the ducting is connected to vents and your hvac system.

Ductwork installation will almost always take place in your attic. Insert two additional screws along the seam with equal spacing between the three screws. To fit your ducts simply cut the sleeve to length with a sharp pair of scissors. Use sheet metal duct elbows to work around bends and tin snips to cut the ductwork for a precise fit.

Assemble secure support and connect duct sections. It s okay to ask wye when to use which y and why. Use your leg a workbench or the ground to support the back side of the pipe. Like any other insulation use additional layers to provide better insulation power.

Air seal and tape joints. Use one hand to keep the two edges close and the other to apply downward pressure. Foil backed self adhesive foam duct insulation. Install 10 diameter metal ducting with 1 damper and 1 register per 20 ft.

Insert a 1 2 inch long self tapping sheet metal screw at the location where the two ducts overlap to provide a solid connection. Installs easily and wraps around irregular ductwork areas well. Contractors will plan the lines of ductwork needed according to your lighting then cut the ducting to fit the planned lengths. Attach ductwork that branches off and approaches each vent or register in the house.