Owens Corning is the original manufacturer of Fiberglas, the insulation material used in millions of homes worldwide. Arrigo points out that Fiberglas pays for itself 12 times over in the first year following installation. Now the company’s Energy Complete system, launched in 2009, is leading the energy-efficiency and insulation industries. Owens Corning is the original manufacturer of Fiberglas, the insulation material used in millions of homes worldwide. Arrigo points out that Fiberglas pays for itself 12 times over in the first year following installation. Now the company’s Energy Complete system, launched in 2009, is leading the energy-efficiency and insulation industries.