Johns Manville is a leading manufacturer and marketer of premium-quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial, and residential applications. Their history goes back to 1858 when the H.W. Johns Manufacturing Company began operations out of a tenement building in New York City.
Today, their products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing, and wind energy. A proud member of the Berkshire Hathaway family of companies, they serve customers in more than 80 countries around the globe.