For nearly 160 years, Johns Manville has focused on developing materials to make diverse environments stronger, more durable, and more energy efficient and comfortable. We manufacture premium-quality building and mechanical insulation, commercial roofing, glass fibers and nonwoven materials for commercial, industrial and residential applications. JM products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy.
Featured Products
JM CladStone™ Water & Fire Block Insulation
Insulation & Infiltration Barriers
Johns Manville announces the launch of JM CladStone™ Water & Fire Block Insulation, a noncombustible continuous insulation mineral wool product. This premium mineral wool product...
More from BUILDER

Johns Manville’s Cavity-SHIELD Insulation Provides Fire Protection for Multifamily Projects
Formaldehyde-free product fits inside concealed spaces between floors.
More
Johns Manville Debuts CladStone Water & Fire Block Insulation
Mineral wool insulation provides fire resistance and effective water drainage.
More

EnviroAire Duct Board
The formaldehyde-free fiberglass EnviroAire duct board controls condensation and has an antimicrobial treatment to protect the airstream surface from bacteria or mold growth. 800.654.3103. www.jm.com.
More