Owens Corning QuietR 1″ x 48″ x 96″ Duct Board R4.3 FRK ONE SHEET

Owens Corning QUIETR® T475 FRK Fiberglass Duct Board

1″ x 48″ x 96″ – 6 Boards Per Carton – R-4.3

Owens Corning QuietR® Fiberglass Duct Board is a rigid, resin-bonded insulation board designed for fabrication of high-performance HVAC duct systems. Featuring reinforced aluminum foil (FRK) facing and a biocide-treated airstream surface, this duct board delivers superior thermal efficiency, noise reduction, and long-term durability.

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🔥 Performance Advantages

✔ R-4.3 thermal insulation

✔ Reinforced aluminum foil vapor barrier

✔ Flame-retardant FRK facing

✔ Reduces fan & air turbulence noise

✔ Helps eliminate condensation sweating

✔ Airtight when sealed with UL 181A closures

✔ Durable, damage-resistant surface

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Designed for Fabrication

QuietR® duct board is ideal for:

• Residential HVAC duct construction

• Commercial duct fabrication

• Heating & cooling supply ducts

• Return air systems

Duct systems built with QuietR boards absorb fan noise, reduce vibration popping sounds, and improve airflow acoustics.

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Technical Specifications:

• Thickness: 1″

• Board Size: 48″ x 96″

• Carton Quantity: 6 Boards

• R-Value: 4.3

• Facing: FRK (Foil Reinforced Kraft)

• Max Operating Temperature: 250°F

• Max Air Velocity: 6000 FPM

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Why Contractors Choose QuietR®

Unlike traditional sheet metal ducts, fiberglass duct board provides built-in insulation and sound control, reducing installation time and improving system efficiency.

Ideal for HVAC contractors, commercial installers, and sheet metal shops.

Product details

Part / SKU	441680

Package includes

• Owens Corning QuietR 1" x 48" x 96" Duct Board R4.3 FRK ONE SHEET

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.