R-11 EcoBatt Unfaced Fiberglass Insulation Batts, 24 in. x 96 in.

Knauf EcoBatt R-11 unfaced fiberglass batts deliver reliable thermal and sound control for 2x4 interior or exterior walls, floors, and ceilings. Pre-cut for 8-ft steel stud walls, they install easily, recover to full thickness, and are bonded with plant-based, formaldehyde-free ECOSE Technology.

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Key Features:

• Thermal & Acoustic Performance: R-11 batts help regulate temperature and reduce noise in walls and floors.
• Easy Installation: Pre-cut 24 in. x 96 in. batts for 2x4, 8-ft walls; softer feel for simple cutting and fitting.
• Healthier Materials: Formaldehyde-free ECOSE Technology; GREENGUARD Gold certified and free of Red List chemicals.
• Sustainable Build: Made with a high percentage of recycled glass and compression-packed for efficient transport and storage.
• Snug Fit: Resilient fibers recover quickly to full thickness for consistent coverage.

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Insulation Type	Fiberglass batt
R-Value	R-11
Facing	Unfaced
Batt Size	24 in. W x 96 in. L x 3.5 in. T
Fits Stud Depth	2x4 wall
Coverage Area per Bag	256 sq. ft.
Number of Pieces per Bag	16
Compatible Install Surfaces	Concrete; Existing drywall; Metal; Plywood; Wood
Insulation Locations	Interior wall; Exterior wall; Floor
Roll or Batt	Batt
Product Weight	36.37 lb
Bag Size	4.17 ft. x 25 in. x 16 in.
Pack Size	1
Warranty	1-year limited

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Frequently Asked Questions (FAQ):

Q: How much area does this package cover?
A: 256 sq. ft. total coverage.

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Q: Where can I install these batts?
A: Suitable for 2x4 walls (interior/exterior), floors, and ceilings; compatible with wood, metal, plywood, existing drywall, and concrete surfaces.

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Q: Are these batts faced?
A: No, they are unfaced fiberglass batts.

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Q: What are the dimensions of each batt?
A: Each batt is 24 in. wide x 96 in. long x 3.5 in. thick.

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Q: Is there an installation guide?
A: Yes—see the linked Instructions/Assembly PDF for step-by-step guidance.

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Quiet Comfort, Cleverly Engineered

EcoBatt’s warm, natural tone and clean lines slip effortlessly behind your finishes, crafting rooms that feel hushed and composed. I love its resilient loft—once in place, it springs to a full, plush thickness for a seamless envelope. Pair it with crisp gypsum walls and matte black hardware to heighten the sense of calm. It’s the invisible luxury that elevates everyday living.

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Upgrade your walls with EcoBatt R-11 today for quieter, more comfortable rooms with eco-friendly performance.

Warranty

Installation