Maximum thermal performance for high-efficiency builds.

The R49 Kraft-Faced Insulation from Owens Corning is designed for projects requiring the highest level of thermal resistance, making it ideal for attic and ceiling applications. Each batt measures 16" x 48" and provides 32 sq ft of coverage per package, helping reduce energy loss while improving comfort and sound control. Trusted by NYC contractors for consistent quality and performance.

Product Specifications

• R-Value: R49

• Facing: Kraft paper (vapor retarder)

• Batt Size: 16" x 48"

• Coverage: 32 sq ft per package

• Material: Fiberglass insulation

• Type: Attic and ceiling insulation (interior use)

Common Uses

• Attic insulation

• Ceiling assemblies

• High-performance residential construction

• Commercial ceiling applications

• Sound reduction between floors

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Special order items are sourced to your project requirements. Pricing, availability, and lead times vary by product and quantity.

• Local pickup options available
• Delivery available depending on product and location
• Lead times vary based on availability and order size

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