Duct Board Vs Sheet Metal Plenum

High air velocity will destroy the fiberglass material.

Duct board vs sheet metal plenum.

It is not rodent proof. To see availability for this product personlog in or get online access. Sheet metal products 8 x 20 x 20 in. 16 x 25 x 24 in.

Some sheet metal air ducts are lined with an external or internal fiberglass duct liner. Duct board insulation and wrap ducting and sheet metal ductless mini split flex furnaces package units r22 r410a thermostats shop all hvac. Sharp edges inside will cause material erosion. Those tiny microscopic glass strands can break off and enter the airflow.

25 feet should it be ductboard or metal and is hard pipe runs preferable over flex. Typically hvac duct systems are made of sheet metal but other rigid heatproof materials such as fiberglass or insulated plastic may be used. Duct board is ok if the system design is correct and the duct and fittings are properly made and installed. Proper aspect ratio for velocity and pressure drop is more important than sheet metal.

Duct board vs metal plenums supply is on perferable over the other. The master flow 48 in. Fiberglass lining is used to insulate air ducts from heat loss or to avoid condensation in cases where the supply air is very cold or there is a high ambient humidity in the plenum. The uncoated duct board classified as a medium roughness is controlled by higher surface friction.

Duct board r 6 features fiberglass construction with an fsk backing for sturdiness over time. Regardless of construction material the heart of an. There s no filter to catch these fibers on the supply side of your hvac system. If i am going to have a supply plenum run for approx.

26 ga plenum sleeve. Cut this duct board to size and use it to build your own hvac fittings or trunk duct and then assemble it with fiberglass weave and mastic or duct board approved duct tape for a convenient solution to your ducting problems. Consequently these glass strands can be carried with the airflow into your living space.