MAG-ISOVER is manufacturer and provider of insulation materials made from glass wool. In developing an insulation business in ... Japan as a subsidiary of Saint-Gobain, MAG-ISOVER aims to provide Japanese consumers with revolutionary solutions to bring about comfortable lifestyles that are gentle to the environment. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * About ISOVER and Saint-Gobain: The insulation section of Saint-Gobain (headquartered in France) is developing business along with 11,000 employees at 70 offices in 45 countries, mainly through its ISOVER brand which boasts a wide product line, offering features such as high-performance insulation, sound absorption, energy efficiency and air-tightness. read more