1 x 48 x 120 1.
Duct board or sheet metal.
1 x 48 x 96 1.
If you re going this far perform a flowhood test to determine where how much improved airflow can be had.
2 x 48 x 120 2.
The two options metal duct work and fiberglass duct work share these common attributes.
Can withstand low operating pressures.
Sheet metal made of galvanized steel or aluminum is fabricated into round or rectangular duct for transporting air.
Jm duct board dampens unwanted noise and promotes consistent temperatures for less wasted energy.
Raleigh 708 0 items.
It provides a number of performance benefits to hvac contractors as well as residential and commercial building occupants.
Replace redesign the duct board with sheet metal.
Are reasonably air tight or can be made so.
Fiberglass duct board has an advantage in that in its form is inherently structural plus acoustical and thermally resistant.
Air moves easily in metal duct systems with less friction loss.
Ducting sheet metal duct board.
You need a pro for this.