Owens Corning R-15 Kraft Faced Fiberglass Insulation FastBatts is designed for roof/ceiling and interior/exterior wall applications, sizing up easily for wood or metal framing cavities. If you want reliable insulation that installs with minimal fuss, this is your go-to option—no drama, just solid performance.

Key Features & Design

• R-Value: R-15
• Size: 3.5 in. x 15 in. x 105 in. (batts)
• Coverage per bag: 87.5 sq ft
• Batts per bag: 8
• Applications: For roof/ceiling and interior/exterior wall applications; installed in wood or metal framing cavities or between furring channels
• Installation: Sized for metal or wood framing; can be stapled or friction-fit; trim and fabricate with a utility knife; easy to handle and install
• Material & durability: Kraft faced fiberglass insulation; inorganic; non-corrosive to steel, aluminum or copper; dimensionally stable and will not decay or slump in the cavity
• Thermal & acoustical: Meets thermal specifications and helps improve interior noise control

With its Kraft facing and reliable R-15 performance, this FastBatts insulation sticks to the basics—easy handling, straightforward install, and solid energy efficiency. It’s a practical choice for projects needing dependable insulation without the fuss.