4' x 10' x 2" Air Duct Board with ECOSE Technology

The Knauf Insulation 504111 Atmosphere™ Air Duct Board provides superior thermal and acoustic performance for HVAC duct systems.

This rigid fiberglass duct board is designed for the fabrication of rectangular HVAC ducts, offering energy efficiency, sound absorption, and durability. Its reinforced facing delivers long-lasting performance in residential and commercial applications.

• Brand: Knauf Insulation
• Model/Part Number: 504111
• Product Type: Atmosphere™ Air Duct Board
• Dimensions: 120 inches length × 48 inches width × 2 inches thickness
• Material: Rigid fiberglass with reinforced foil-scrim-kraft (FSK) facing

Technical Data & Performance

• Thermal Performance: Provides insulation to reduce energy loss and maintain consistent air temperature.
• Acoustic Properties: Excellent sound absorption reduces HVAC system noise transmission.
• Surface Finish: Reinforced FSK facing enhances strength, moisture resistance, and air integrity.
• Application: Designed for fabrication of rectangular ducts in residential and commercial HVAC systems.
• Installation: Easy to cut, fabricate, and assemble using approved adhesives and fasteners.
• Compliance: Meets industry standards for thermal efficiency, fire safety, and indoor air quality.