Knauf R-21 Unfaced Fiberglass Batt Insulation, 15 in x 93 in, 67.81 sq-ft (B94EV)

Regular price $98.00

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R-21 Unfaced Fiberglass Batt Insulation Batts

Knauf R-21 unfaced fiberglass batt insulation helps reduce heat loss and improve comfort in framed cavities. Sized at 15 in x 93 in, it covers 67.81 sq-ft and is designed for efficient thermal performance where a vapor retarder is not required.


Key Features:

  • High Thermal Performance: R-21 insulation helps reduce heat transfer for improved comfort and energy efficiency.
  • Unfaced Design: Unfaced batt is suitable for applications where a separate vapor retarder is used or not required.
  • Sized for Framing Cavities: 15 in x 93 in batt dimensions fit common framing bay widths for straightforward placement.
  • Large Coverage Pack: 67.81 sq-ft of insulation per unit to help complete larger areas with fewer packages.
  • Fiberglass Construction: Fiberglass batt insulation provides dependable thermal resistance for residential and light commercial use.

Specifications Table:

Specification Details
Brand Knauf®
Product Type Batt Insulation
Material Fiberglass
R-Value R-21
Facing Unfaced
Batt Width 15 in
Batt Length 93 in
Coverage 67.81 sq-ft
Model B94EV

Frequently Asked Questions (FAQ):

Q: What does “unfaced” mean?
A: Unfaced means the batt has no paper/foil facing; use it where facing isn’t needed or where a separate vapor retarder is installed per local code.


Q: What area does this package cover?
A: It covers 67.81 sq-ft.


Q: What are the batt dimensions?
A: Each batt is 15 in wide by 93 in long.


Q: What R-value is this insulation?
A: R-21.


Q: What is the model/identifier for this product?
A: B94EV.


Quiet Luxury Starts Behind the Walls

Great design isn’t only what you see—it’s what you feel, and comfort is the most understated form of luxury. This Knauf R-21 unfaced fiberglass batt becomes an invisible layer of warmth that elevates a room’s calm and consistency. Use it to refine the envelope of bedrooms, offices, or any space where you want the temperature to feel effortlessly curated. It’s the kind of foundational upgrade that makes the rest of your finishes feel even more indulgent.


Choose Knauf R-21 unfaced fiberglass batts to add reliable thermal performance and comfort to your next insulation project.

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All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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