Hvac Duct Insulation Material Pdf

There are three duct classifications.

Hvac duct insulation material pdf.

The majority of ducts are constructed of metal and installed by tradesmen called sheet metal workers. Duct system is pressurized by three pressures. This will carry all of the conditioned air and disperse it back into the system. In building air conditioning applications the moisture condensation can cause the discoloration or staining of ceiling panels corrosion of cold piping ducts chillers etc and pose health risks due to mold and fungus growth.

Provides an optimum combination of efficient sound absorption low thermal conductivity and minimal airstream surface friction. 1 the minimum material r value for ductwork may be reduced by 0 5 for combined heating and refrigerated cooling systems in climate zones 1 3 4 6 and 7 if the ducts are. Fiberglass ductwrap is a thermal and acoustical insulation for wrapping commercial and residential interior hvac. Csr bradford more than insulation for over 80 years.

You will need less material than you would for a rectangular or a square duct. Specifically designed as an interior insulation material for sheet metal ducts used in heating ventilating and air conditioning. Overview of insulation materials course no. Ordinary heating ventilating and air conditioning duct systems read air pressures at 0 4 psi or less often much less.

A round duct is the most effective. All of the materials that are necessary for insulating hvac ductwork with insulation board including the fiberglass or mineralwool duct board pins and fasteners aluminum cladding and tapes. Ceramic fiber insulation blanket roll 6 density 2300 f 1in x24in x60in for kilns ovens furnaces forges stoves. Download the hvac duct liner application pdf.

A common duct pressure of 0 25 inches water column is equal to 0 25 divided by 27 7 in wc psi 0 009 psi. Fresh air ducts will focus on the fresh air in your air conditioning system. The first is the conditioned air duct. Fibrous glass insulated hvac duct systems 4 sheet metal ducts with exterior fibrous glass exterior insulation flexible blanket fibrous glass duct wrap insulation is designed for application to the exteriors of commercial and residential sheet metal heating ventilating and air conditioning ducts and plenums operating at temperatures between 40 f.

1 psi equals 27 7 inches of water gauge. Under a suspended floor with an enclosed perimeter.