Manson Akousti-Liner Flexible Fiberglass Duct Liner

Manson Akousti-Liner Flexible Fiberglass Duct Liner

Akousti-Liner™ – Glass mineral wool blanket with black mat

  • Flexible insulation intended for ductwork
  • Thermal and acoustical properties
  • Designed for all types of ventilation ducts
  • Durable, flexible liner
  • Available with or without edge coating to seal fibres.

Glass Mineral Wool Thermal & Acoustical Rigid Insulation

AKOUSTI-LINER™ is a flexible duct liner providing both thermal and acoustical insulation. It is manufactured from inorganic glass fibres bonded with a thermosetting binder. The airstream surface is faced with a black mat bonded to the black fibreglass substrate. AKOUSTI-LINER™ is offered with or without edge coating to seal fibres.

AKOUSTI-LINER™ is a durable, flexible liner used extensively in flat and irregular shaped ductwork.


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Product Description


  • Greenguard Certification
    – Greenguard GOLD certified for superior indoor air quality performance
    – Over 50% post-consumer recycled glass
    This product is tested and certified to meet EUCEB requirements.
  • Surface Burning Characteristics
    – UL/ULC Listed
    – Does not exceed 25 Flame Spread, 50 Smoke Delvelopped when tested in accordance with ASTM E 84, CAN/ULC S102-M88, NFPA 255 and UL 723
  • Air flow characteristics (ASTM C 1071)
    Air velicity rating 6,000 ft/min (30.5 m/s)
  • Water Vapor Sorption (ASTM C 1104)
    Less than 3% by weight
  • Corrosiveness (ASTM C 665)
    Will not accelerate corrosion
  • Bacteria resistance (ASTM G 22)
    Does not breed or promote growth
  • Fungi Resistance (ASTM C 1338, ASTM G-221)
    Does not breed or promote growth
  • Hot surface performance (ASTM C 411)
    Operating temperature limit: Max. 250°F


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General Insulation Company is a B2B distributor – supplier with over 50 locations across the U.S. that stocks and fabricates a wide variety of mechanical fiberglass insulation products for commercial, industrial, and residential construction markets.

Manson AKOUSTI-LINER Flexible Duct Liner Technical Data Sheet

Manson AKOUSTI-LINER Flexible Duct Liner Safety Data Sheet

  • EPD – Environmental Product Declaration – Manson AKOUSTI-LINER Flexible Duct Liner Sustainability Catalog

  • How Manson and Knauf Insulation are making it greener:
    Manson and Knauf Insulation are committed to providing products that conserve energy, preserve natural resources, and reduce their carbon footprint.
    These products use ECOSE® Technology, which is a plant-based binder adhesive instead of a fossil fuel-based binder.
    ECOSE® Technology represents a fossil fuel avoidance equivalent of 100,000 barrels of oil a year for Manson and Knauf Insulation products combined..

    Atmosphere Duct Liner and Wall & Ceiling Liner use a special formaldehyde-free lack non-woven facer material.
    Manson and Knauf products also contain a high degree of recycled content, which translates to 20% less glass melting energy and a 25% reduction in embodied carbon. Manson and Knauf utilization of recycled content reduces mining impacts by 60%. In fact, Knauf and Manson products combined use 10 railcars of recycled glass a day.
    All glass fiber made by Manson and Knauf is audited by a 3rd party to ensure biosoluble chemistry from a health and safety standpoint.

  • Transportation – Leverage compression packaging:
    Glass is a high modulus material, which helps to facilitate compression packaging. Manson and Knauf compress their insulation to fit up to five times more product on every truck. This compression means:
    – More material can fit on one truck when compared to other insulation materials.
    – Fewer packages on a job.
    – Fewer deliveries needed.

  • Certification & rating systems:
    – UL GREENGUARD Gold certified.
    – UL Validated recycled content.
    – UL Validated formaldehyde-free.
    – Audited, European Certification Board for Mineral.
    – Wool Products exoneration process.
    – ASTM C1071; Type I, ASTM C 665.

  • The Reasons why CONTRACTORS choose Manson AKOUSTI-LINER

    The Reasons why ENGINEERS choose Manson AKOUSTI-LINER

    AKOUSTI-LINER Competitive Comparison