Knauf Atmosphere® Duct Liner & Duct Wrap

Both are now available in R-12 and have been Developed for single-layer applications to meet HVAC Zone 5-8 building code requirements.

Article content provided by Knauf Insulation.

Knauf Insulation currently has multiple solutions for R-12 applications that include:


  • Atmosphere Duct Wrap
  • Earthwool Insulation Board
  • Atmosphere Rigid Plenum Liner
  • Atmosphere Duct Liner


  • Atmosphere Duct Wrap
  • Earthwool Pipe and Tank
  • KwikFlex Pipe and Tank*

So why choose Knauf Insulation?

  • Validated to be formaldehyde-free*
  • Minimum of 50% recycled content


  • Only duct liner tested to UL 2824 Mold Resistance
  • 3" fiberglass insulation with glass veil on air stream surface


  • 4 1⁄2" thick with FSK facing

Learn more here.

*KwikFlex Pipe and Tank Insulation is not validated to be formaldehyde-free.

To learn more about Knauf Insulation click here.

Contact a Knauf Insulation sales representative.

Knauf Insulation North America is part of the Knauf Group AG, a family-owned global manufacturer of building materials based in Iphofen, Germany. Knauf leverages the expertise of over 35,000 employees across 250 production facilities in 86 countries. In North America, Knauf Insulation is a leading manufacturer of thermal and acoustical fiberglass insulation for residential, commercial, industrial, OEM and metal building applications.