Earthwool® Insulation Board
Unfaced, ASJ+, FSK
Knauf Insulation Earthwool Insulation Board is a versatile product for thermal and acoustical applications such as heating and air conditioning ducts, power and process equipment, boiler and stack installation, and more. It is bonded with ECOSE® Technology and is available plain or with a factory applied foil-scrim-kraft (FSK) facing or allservice jacket (ASJ+), and is the only formaldehyde-free glass mineral wool board product available today.
Performance dashboard
Features & functionality
- Excellent thermal efficiency results in lower operating costs
- FSK and ASJ+ vapor-retardant facings provide a neat finished appearance in mechanical rooms
- Low emitting and formaldehyde-free for indoor air quality considerations
- Excellent acoustical properties effectively reduce noise
Environment & materials
Improved by:
- Utilization of recycled glass
- Knauf’s original plant-based ECOSE binder technology
Certification & rating systems:
- Declare, Red List Free (unfaced) and HPD v2.1 (ASJ+ and FSK)
- UL GREENGUARD Gold certified
- UL Validated recycled content
- UL Validated formaldehyde-free
- Audited, European Certification Board for Mineral Wool Products exoneration process
- ASTM C612: Type IA (1.6, 2.25, 3.0, 4.25, 6.0 pcf), Type IB (3.0, 4.25, 6.0 pcf); ASTM C795; ASTM C1136: Type I, II, III, IV, VIII (ASJ+), Type II, IV (FSK)