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HVAC Insulation

HVAC Insulation

At Johns Manville, we are committed to delivering the industry's most complete line of HVAC insulation for both commercial and residential buildings. We are the market leader in HVAC insulation, and have a 50-year history of providing duct liner, duct board and duct wrap solutions with superior consistency and quality.

JM's innovative HVAC solutions are easy to fabricate for faster installation and provide a wide variety of options—something both installing contractors and building occupants can appreciate. Our products promote consistent temperatures for less wasted energy and many of our products help dampen unwanted noise and improve the comfort of building occupants with improved air quality. Because at JM, we're committed to the performance that matters to you.

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Products

Duct Board

Our fiber glass duct board offers a high-performance alternative to traditional sheet metal ducts. It provides a number of performance benefits to HVAC contractors, as well as residential and commercial building occupants.

JM duct board dampens unwanted noise and promotes consistent temperatures for less wasted energy. In addition, it contributes to a healthier indoor environment through less air leakage and is protected against damage from microbial growth. Homeowners and occupants will enjoy the benefits of improved comfort, while installing contractors will find JM duct board is easy to fabricate for faster installation. Our duct board solutions offer a wide range of benefits to fit your requirements and needs.

  • Diffuser Board

    Diffuser Board

    Fiberglass duct board with a black-colored airstream surface and E3™ Pallet technology.

  • Micro-Aire

    Micro-Aire

     Mat-faced fiberglass duct board Type 475 and Type 800 with E3™ Pallet technology.
  • Micro-Aire LP

    Micro-Aire LP

     Fiberglass duct board for manufactured and modular housing with E3™  Pallet technology.
  • SuperDuct RC

    SuperDuct RC

     Coated mat-faced fiberglass duct board with antimicrobial coating and E3™  Pallet technology.

Duct Liner

Our duct liner solutions to help you create more comfortable and energy efficient indoor environments when lining metal ducts inside HVAC systems. Whether you are a residential or commercial building occupant or an HVAC contractor, our duct liner delivers less unwanted noise, more consistent temperatures for improved energy efficiency and added product protection against microbial growth.

We offer a wide range of duct liner solutions that provide superior thermal and acoustical performance and are manufactured with advanced technologies that provide unique fabrication capabilities—because at JM, we always put performance first.

  • LinacouSTIC RC-IG

    LinacouSTIC RC-IG

     Fiberglass duct liner with reinforced coating and a water-reactivated adhesive layer for easier, cleaner, and quicker duct liner installation on sheet metal.
  • Linacoustic R-300

    Linacoustic R-300

     Rigid fiberglass duct liner with a glass mat airstream surface and antimicrobial coating, designed for plenums and duct work.
  • Linacoustic RC

    Linacoustic RC

     Fiberglass duct liner with a glass mat airstream surface and antimicrobial coating.
  • Linacoustic RC-HP

    Linacoustic RC-HP

     Fiberglass duct liner with a glass mat airstream surface, antimicrobial coating and superior sound absorbing properties.
  • Spiracoustic Plus

    Spiracoustic Plus

     Pre-kerfed, fiberglass duct liner, with a glass mat airstream surface and antimicrobial coating made specifically for spiral ducts. 
  • Spiral SG

    Spiral SG

     Fiberglass blanket insulation designed for use in double wall HVAC ducts. 

External Duct Insulation

We offer a range of fiberglass duct wrap solutions that provide traditional sheet metal ducts with improved thermal insulation. Our duct wrap is available in a variety of densities, thicknesses and with or without facings. Installing contractors prefer it for many reasons, including improved handling, easier cutting and less dust. Residential and commercial building occupants appreciate the consistent temperatures and improved comfort and energy efficiency that JM fiberglass duct wrap provides.

  • Microlite FSK

    Microlite FSK

     Formaldehyde-free™ fiberglass duct wrap insulation with FSK facing.
  • Microlite Black PSK

    Microlite Black PSK

     Formaldehyde-free™ duct wrap insulation with a black coated PSK facing ideal for aesthetic applications.
  • Microlite White PSK

    Microlite White PSK

     Formaldehyde-free™ duct wrap insulation with a white coated PSK facing ideal for aesthetic applications.
  • Microlite Standard

    Microlite Standard

     Un-faced thermal and acoustical blanket insulation made from flame attenuated fiberglass.
  • Microlite Vinyl

    Microlite Vinyl

     Thermal duct wrap insulation made from flame attenuated fiberglass fibers laminated onto a white vinyl facing.

Flexible Duct Insulation

Johns Manville flexible air duct insulation, made with JM Formaldehyde-free™ Flex-Glas® PC insulation, is designed and manufactured to meet the highest performance standards—starting with our own. We revolutionized the insulation industry more than a decade ago by eliminating formaldehyde-based binders from our light-density fiber glass insulation. In addition, JM flexible duct insulation offers excellent thermal and acoustical performance, which provides improved comfort and energy efficiency for building occupants.

  • Flex-Glas PC

    Flex-Glas PC

     Formaldehyde-free™ flexible duct insulation designed for residential and commercial HVAC applications.

HVAC Accessories

Our Johns Manville Accessories are designed to assist you in your fabrication and installation endeavors.

  • Duct Knives

    Duct Knives

     Engineered to smoothly cut fiberglass insulation.
  • SuperSeal

    SuperSeal

     A derivative of our proprietary Permacote coating designed to be air drying and may be brush or spray applied.

Duct Board

  • Diffuser Board

    Diffuser Board

    Fiberglass duct board with a black-colored airstream surface and E3™ Pallet technology.

  • Micro-Aire

    Micro-Aire

     Mat-faced fiberglass duct board Type 475 and Type 800 with E3™ Pallet technology.
  • Micro-Aire LP

    Micro-Aire LP

     Fiberglass duct board for manufactured and modular housing with E3™  Pallet technology.
  • SuperDuct RC

    SuperDuct RC

     Coated mat-faced fiberglass duct board with antimicrobial coating and E3™  Pallet technology.

Duct Liner

  • LinacouSTIC RC-IG

    LinacouSTIC RC-IG

     Fiberglass duct liner with reinforced coating and a water-reactivated adhesive layer for easier, cleaner, and quicker duct liner installation on sheet metal.
  • Linacoustic R-300

    Linacoustic R-300

     Rigid fiberglass duct liner with a glass mat airstream surface and antimicrobial coating, designed for plenums and duct work.
  • Linacoustic RC

    Linacoustic RC

     Fiberglass duct liner with a glass mat airstream surface and antimicrobial coating.
  • Linacoustic RC-HP

    Linacoustic RC-HP

     Fiberglass duct liner with a glass mat airstream surface, antimicrobial coating and superior sound absorbing properties.
  • Spiracoustic Plus

    Spiracoustic Plus

     Pre-kerfed, fiberglass duct liner, with a glass mat airstream surface and antimicrobial coating made specifically for spiral ducts. 
  • Spiral SG

    Spiral SG

     Fiberglass blanket insulation designed for use in double wall HVAC ducts. 

External Duct Insulation

  • Microlite FSK

    Microlite FSK

     Formaldehyde-free™ fiberglass duct wrap insulation with FSK facing.
  • Microlite Black PSK

    Microlite Black PSK

     Formaldehyde-free™ duct wrap insulation with a black coated PSK facing ideal for aesthetic applications.
  • Microlite White PSK

    Microlite White PSK

     Formaldehyde-free™ duct wrap insulation with a white coated PSK facing ideal for aesthetic applications.
  • Microlite Standard

    Microlite Standard

     Un-faced thermal and acoustical blanket insulation made from flame attenuated fiberglass.
  • Microlite Vinyl

    Microlite Vinyl

     Thermal duct wrap insulation made from flame attenuated fiberglass fibers laminated onto a white vinyl facing.

Flexible Duct Insulation

  • Flex-Glas PC

    Flex-Glas PC

     Formaldehyde-free™ flexible duct insulation designed for residential and commercial HVAC applications.

HVAC Accessories

  • Duct Knives

    Duct Knives

     Engineered to smoothly cut fiberglass insulation.
  • SuperSeal

    SuperSeal

     A derivative of our proprietary Permacote coating designed to be air drying and may be brush or spray applied.

Use our locator to find your nearest contractor or distributor.

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Documents

Case Studies

Fort Collins, CO

CSU Urgent Care

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Washington State

Code Requirements

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Woodlands, TX

Clean Room Project

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Videos

Insulation Intel® University

Learn more about John Manville's HVAC insulation systems and how to fabricate and install on our interactive, online-learning series.

The Source: Everything HVAC 

The Source is where we house the latest Insulation Intel on industry trends, insights, and continuing education opportunities. This is a resource built specifically to aid you in your professional development. Explore our webinars, compare specs, and follow our blog all right here at The Source.
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