Atmosphere™ Duct Liner and Wall & Ceiling Liner
Atmosphere Duct Liner is a flexible, mat-faced insulation with a tightly bonded mat to provide a smooth, tough surface that resists damage. Designed as a formaldehyde-free insulation for the interior of sheet metal ducts used in HVAC, this product provides a combination of sound absorption, low thermal conductivity and minimal airstream surface friction.
Wall and Ceiling Liner M is a formaldehyde-free brown flexible glass mineral wool blanket with a black mat facing adhered to one surface. It provides thermal and acoustical insulation for theaters and spaces.


Performance dashboard
Features & functionality
- Greatly reduces noise
- Withstands damage from normal handling
- Lowers operating costs
- Low VOC emission and formaldehyde-free
Visit Knauf for more product specifications:
Environment & materials
Improved by:
- Utilization of recycled glass
- Knauf’s original plant-based ECOSE® binder technology
- Optimized compression packaging
Certifications, rating systems & disclosures:
- Declare, Red List Free
- 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
CSI MasterFormat® #MF 07 21 16, 23 07 13
Atmosphere™ Duct Liner Guide Specification
Wall and Ceiling Liner Guide Specification
For spec help, contact us or call 317 421 8727