The Owens Corning R-38 Kraft Faced Fiberglass Insulation Batts deliver moisture control between studs and joists with a built-in vapor barrier, helping your home stay cooler in summer and warmer in winter. It’s flexible, easy to cut, and available in pre-cut lengths for quick installs—perfect for DIYers and pros alike.

Key Features & Design

• Facing: Kraft faced with paper facing on one side for moisture control and smooth handling
• R-Value: R-38
• Framing compatibility: Sized for metal or wood framing; can be stapled or friction-fit
• Installation: Easy to handle and install; trim and fabricate with a utility knife
• Performance: Meets thermal specifications and helps improve interior noise control
• Durability: Inorganic and non-corrosive to steel, aluminum or copper; dimensionally stable and will not decay or slump in the cavity
• Applications: Used for roof/ceiling and interior/exterior wall applications and can be installed in wood or metal framing cavities or between furring channels

Sizes & Availability

• 10.25 in. x 15.5 in. x 48 in. — 41.33 Sq Ft/Pack — 8 Batts Per Bag — IRN C18 Wood
• 10.25 in. x 23.75 in. x 48 in. — 63.33 Sq Ft/Pack — 8 Batts Per Bag — IRN U99 Wood
• 12.5 in. x 16 in. x 48 in. — 42.67 Sq Ft/Pack — 8 Batts Per Bag — IRN ME25 Metal
• 12.5 in. x 24 in. x 48 in. — 64 Sq Ft/Pack — 8 Batts Per Bag — IRN E57 Metal

Choose the Owens Corning R-38 Kraft Faced Insulation Batts for reliable moisture control, straightforward installation, and long-lasting energy efficiency across your walls and ceilings.