Knauf Insulation Eclipse Air Duct Board, Series: EI-475, 120 inch Length, 48 inch width for use with: Cooling/Heating or Dual-Temperature Service
Knauf Insulation Eclipse Air Duct Board with ECOSE Technology is a rigid fiber glass board faced on one side with a foil-scrim-kraft (FSK) vapor retarder and with a lightweight black fiber glass mat on the airstream surface. It is used to fabricate rectangular or Max10 air duct systems. It comes with two stiffness ratings, EI-475 and EI-800. Both types are available with butt edge or factory molded male-female shiplap edges. The airstream surface of Knauf Insulation Eclipse Air Duct Board is treated with an EPA registered, anti-microbial agent that prevents growth of mold, fungus or bacteria inch accordance with UL 181.