Who We Are

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. Our history goes back to 1858, when the H.W. Johns Manufacturing Company began operations out of a tenement building in New York City. 

Today, our products are used in a wide variety of inudstries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy. A proud member of the Berkshire Hathaway family of companies, we serve customers in more than 80 countries around the globe. 

Now in our 160th year in buisness, our commitment to our stakeholders is stronger than ever. We are dedicated to long-term partnerships with our customers and suppliers. We are passionate about providing a safe and equitable workplace for our 7,000 global employees. And we are committed to making a positive impact in the communities where we live and work. 

Our goal is to live by our core values of People, Passion, Perform and Protect. 

Our global headquarters is in Denver, Colorado. We also have 43 manufacturing facilities across North America, Europe and China. We continuously invest in our people and our infrastructure to anticipate employee, customer and community needs and provide long-lasting solutions. This approach gives us the strength we need to be the Employer of Choice and the Supplier of Choice in the markets we serve worldwide. 

Who We Are

Who We Are with CEO Mary Rhinehart

Video Transcript

Hello, I am Mary Rhinehart, president and CEO of Johns Manville. JM started as a small roofing shingles business in 1858, and today we are a global supplier of premium quality building products and specialty materials. We have more than 7,000 employees and manufacturing plants in North America Europe and China. One thing that hasn't changed during our long history is our commitment to our employees to our customers into the communities where we work and live. At JM, we have four core values: people, passion, perform and protect, and we strive every day to deliver positive and powerful JM experiences to our employees and to our customers. When we do this, we are confident we can be your employer of choice and your supplier of choice.

Who We Are

Who We Are with CEO Mary Rhinehart

Video Transcript

Hello, I am Mary Rhinehart, president and CEO of Johns Manville. JM started as a small roofing shingles business in 1858, and today we are a global supplier of premium quality building products and specialty materials. We have more than 7,000 employees and manufacturing plants in North America Europe and China. One thing that hasn't changed during our long history is our commitment to our employees to our customers into the communities where we work and live. At JM, we have four core values: people, passion, perform and protect, and we strive every day to deliver positive and powerful JM experiences to our employees and to our customers. When we do this, we are confident we can be your employer of choice and your supplier of choice.

History & Heritage
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Core Values
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JM Locations
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For Our Customers
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For Our Suppliers
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