R-21 Fiberglass High-Performance Unfaced Insulation Batts 5-1/2 in. x 23-1/4 in. x 93 in. (120.13 sq. ft.) (4 Per Master Pack) | R21U-23.2593-649962-CT

CertainTeed's R-21 High-Performance Fiberglass Unfaced Insulation Batts are easy to install and eco-friendly composition. They are manufactured with sustainable materials and contribute to meeting energy efficiency standards. Whether used in renovations or new builds, this insulation is lightweight and precut for fast application in standard framing dimensions, making it a practical choice for contractors and DIY enthusiasts alike.

• R-value of 21 for consistent thermal performance in walls, floors, and ceilings
• Unfaced insulation designed for areas not requiring vapor barriers
• Composed of sustainable fiberglass materials for eco-friendly use
• Lightweight and easy to install for residential and commercial applications
• Precut dimensions for standard 3-1/2-inch framing spaces