Polynum are fiber-free and manufactured of pure aluminum foil bonded to polyethylene bubble sheeting. Polynum unique design outperforms all mineral-based insulation materials, reflecting 97 percent of radiated heat and saving heating costs in winter and cooling costs in summer. The easy-to-install and maintenance-free Polynum product line comprises Polynum One, Polynum Super, Polynum Big, Polynum Double, Polynum Ultra and Polynum Sound.