Knauf Insulation Eclipse Air Duct Board with ECOSE® Technology 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 Eclipse Air Duct Board is treated with an EPA registered, anti-microbial agent that prevents growth of mold, fungus or bacteria in accordance with ASTM C1071, G21 and G22.
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