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duct liners

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[Deleted User]
[Deleted User] Posts: 0
in THE MAIN WALL
http://www.reflectixinc.com/script/products/product.asp?ID=50

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  • Karl_5
    Karl_5 Member Posts: 6
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    duct liner

    I'm looking for duct liner that isn't fiberglass. This will be installed on the inside of the ducts. I heard there was a rubber duct liner, I can't find anything about rubber. Has anyone heard of this rubber duct liner?
  • tom_49
    tom_49 Member Posts: 269
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    Karl,

    I believe the rubber(like) liner your talking about is hospital grade liner. Good stuff.

    Weve used a felt type liner before, I like it better than fiberglass. I think its made by the same co. that makes reflectix , but Im not 100% sure.

    Try Homan Assoc., they specialize in all types of HVAC insulations.

    Good luck
  • Brad White_38
    Brad White_38 Member Posts: 40
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    What is the objective?

    If the objective is noise control, standard duct lining with facing and anti-microbial treatment is hard to beat. The term "hospital grade liner" is really a misomer in that hospitals rarely if ever use the stuff in any way. When they do, such as in air terminal boxes, the material is covered in foil-faced kraft paper which diminishes it's acoustical properties by about 90%.


    If the objective is thermal and you want bare exterior ductwork because it is exposed, then Armacell (the Armaflex people) make what might be the hard rubber you mentioned. It is self-adhesive and meets NFPA-90A, I believe.

    Imeco (Imcosheet I think is the product) is a non-fibrous material.

    Both of the non-fibrous materials mentioned above have been deemed "acoustically useless" by an acoustical consultant I work with.

    My $0.02,

    Brad
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