R-13 EcoBatt Unfaced Fiberglass Insulation Batts

Knauf Insulation EcoBatt R-13 unfaced fiberglass batts provide reliable thermal and acoustic performance for 2x4 wall cavities. Pre-cut to 3-1/2 in. x 15 in. x 93 in., these formaldehyde-free batts feature ECOSE Technology for easier handling, quick recovery, and a snug fit.

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Key Features:

• Thermal & Sound Control: R-13 batts reduce noise transfer and improve year‑round comfort in interior and exterior 2x4 walls.
• Easy Installation: Pre-cut to 3-1/2 in. x 15 in. x 93 in.; recovers quickly and stays in cavity for a snug fit.
• Health-Conscious Materials: Formaldehyde-free with plant-based ECOSE Technology; GREENGUARD Gold certified.
• Durable Performance: Low dust, resilient fibers resist slump for consistent coverage.
• Eco-Friendly Choice: Contains recycled content and supports healthier indoor air quality.

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
R-Value	R-13
Faced or Unfaced	Unfaced
Insulation Type	Fiberglass batt
Dimensions (each batt)	3.5 in. Thick x 15 in. Wide x 93 in. Long
Fits Framing	2 x 4 wall cavities
Coverage per bag	116–116.25 sq. ft.
Number of pieces per bag	12
Compatible Install Surfaces	Concrete, existing drywall, metal, plywood, wood
Product Weight	27 lb
Bag Size	4.17 ft. x 17 in. x 16 in.
Insulation Location	Interior wall, exterior wall
Roll or Batt	Batt
Pack Size	12
Technology	ECOSE Technology, formaldehyde-free
Certifications	GREENGUARD Gold; Asthma & Allergy Friendly (as shown)

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Frequently Asked Questions (FAQ):

Q: How much area does one bag cover?
A: Approximately 116 sq. ft. per bag (116.25 sq. ft. nominal).

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Q: What wall framing is this sized for?
A: Pre-cut for standard 2x4 walls with 15 in. on-center cavities.

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Q: Is a vapor retarder included?
A: No. These are unfaced batts; install a separate vapor retarder if required by code.

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Q: How many pieces are in a bag?
A: 12 pre-cut batts, each 3-1/2 in. x 15 in. x 93 in.

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Q: Where can I install these batts?
A: Suitable for interior and exterior wall cavities; follow local codes and the installation guide.

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Quiet, Cozy Walls with an Earthy Touch

This unfaced batt tucks seamlessly into 2x4 walls, instantly softening acoustics and boosting thermal comfort. I love the warm, natural tone of the fibers—it feels organic and contemporary. Pair it with crisp drywall and matte black hardware for a refined, serene envelope. It’s the behind-the-scenes essential that elevates everyday luxury.

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Upgrade your walls with EcoBatt R-13 batts today for quieter rooms, consistent comfort, and cleaner indoor air.

Warranty

Installation