Johns Manville Micro-Aire® duct board for use in commercial and residential construction.
Johns Manville Micro-Aire® duct board is used to fabricate ducts with excellent acoustical and thermal performance. For use in commercial and residential construction. Micro-Aire’s flexibility and design conserves weight and cost. This duct board has less air leakage than metal ducts, providing more consistent temperatures, energy efficiency and improved comfort.