Fiberglass Board

Owens Corning Fiberglass Insulation Board is the most common insulating material for HVAC ductwork. Buy Insulation Products offers a wide variety of thicknesses (1" to 4"), facing types, and product densities.

• ASJ Facing: White poly-encapsulated paper jacketing used mostly for interior HVAC ductwork
• FRK Facing: Foil Reinforced Kraft paper jacketing is used on interior and exterior HVAC ductwork and is used on exterior ductwork in conjunction with an aluminum protective membrane.