Build Sheet Metal Plenum

If i am going to have a supply plenum run for approx.

Build sheet metal plenum.

Ducting and sheet metal ductless mini split flex furnaces package units. Plenums and transitions. D x 47 in. Slit the foil vapor barrier extending beyond the edges of the duct board with a duct board knife.

Staple the foil to the duct board. Hamilton 20 5 in x 17 5 in x 28 in return air box assembly duct plenum. The trim to fit plenum fully assembled measures 20 in. Push the cut pieces in each open end of the plenum.

A plenum is an air distribution box attached directly to the supply outlet of the hvac equipment that heats or cools the air to make the house comfortable. Item 523684 model rab17. Ducting sheet metal. If your installation location is difficult to reach with.

The trim to fit plenum fully assembled measures 20 in. Constructed of 26 gauge sheet metal the knock down design of the plenum takes up very little space and simplifies transporting to the job site. Tape the flaps down with foil tape to complete the duct board. Fold the ends of the foil onto the outside of the duct board.

The most common grade of aluminum metal suppliers sell is 6061 usually in t6 temper. But andreas from ppf warned me that in his experience if you use less than 4mm thick aluminum the plenum will eventually crack plastic might be weaker but it doesn t fatigue the way metal does. Secure the end caps to the plenum. Duct board vs metal plenums supply is on perferable over the other.

All product lines. W x 20 in. And is designed for use with all heating and cooling applications. We offer the starting ductwork for furnaces and air handlers called supply air plenums and return air plenums.

844 289 0033 after hours emergency contact. I picked 3 16 wall which is almost 5mm thick.