Engineered Products At-a-Glance

Air FiltrationJohns Manville's Engineered Products Group delivers superior solutions -- covering, reinforcing and filtering the world around us. Employees in this part of the business produce quality products such as roofing mats, specialty mats, reinforcements, flooring mats, fabric products (e.g. wallcoverings) and filtration media.

JM employees in Engineered Products contribute to our success as:

  • the global leader in the production of nonwoven glass and polyester mats
  • the worldwide market leader for glass fabrics used in specialty wallcoverings
  • a leading producer of fiber glass and synthetic media used in high efficiency air filtration systems, face masks, respirators, vacuum bags, sorbents and liquid filtration applications
  • the top worldwide producer of ultra-fine fibers for filtration media used in air filters for clean rooms
JM leads the industry with the most comprehensive product line available. Our employees collaborate with customers to meet their unique environmental needs.