6FT Reflective Foam Core Insulation, RADIANT BARRIER 72" X 40ft Roll R8-24 5MM
ROLL IS 6FT X 40FT (240SQFT). two layers of highly reflective radiant barrier foil. Duct insulation increases the energy efficiency of your HVAC system, saving you money. Double Sided Reflective 1/4 thick foam core.