Marine Insulation

Johns Manville marine products include Incombustible Hullboard and Incombustible Microlite®. Both provide improved thermal and acoustical performance for a variety of applications, are US Coast Guard approved and comply with US Navy and Nuclear Regulatory Commission product standards. JM marine products are just one way we demonstrate to you that, in every detail, materials matter.

Jump To
Semi-rigid, fiberglass insulation for naval and merchant vessels as well as drilling rig platforms (service temp: 450°F)

Johns Manville is an industry leader in the manufacture of marine insulations for a variety of applications. JM’s incombustible hullboard provides superior thermal and acoustical performance on naval and merchant vessels and drilling rig platforms. Our resilient, semi-rigid insulating incombustible hullboard has a smooth surface designed specifically for facing adhesion resulting in a clean finished appearance. As an added benefit, our marine insulation products provide additional cabin noise control, temperature control and fire resistance. Our incombustible hullboard is US Coast Guard approved and complies with US Navy and Nuclear Regulatory Commission product standards.

Density (pcf): 2.8
Service Temp (Nominal): 450° F
Thermal Conductivity (k): 0.23
Recycle Content: 18%

IncombustibleHullboard_490x322
Available Documents

Fiberglass blanket for use in marine applications where design parameters prohibit the use of a rigid product (service temp: 400°F)

Johns Manville Incombustible Microlite® insulation provides excellent acoustical and thermal performance for use in a variety of marine applications. It is the recommended solution when design parameters prohibit the use of a rigid product. Incombustible Microlite is manufactured using our flame-attenuated process, delivering a product that is resilient and lightweight . In addition, it is US Coast Guard approved and complies with US Navy and Nuclear Regulatory Commission product standards.

Density (pcf): 0.75
Service Temp (Nominal): 400° F
Thermal Conductivity (k): 0.29

IncombustibleMicrolite-1_490x322
Available Documents