Knauf R-38 Unfaced Fiberglass Batt Insulation, 15 in x 48 in (40 sq-ft)
Regular price $411.13R-38 Unfaced Fiberglass Batt Insulation
Knauf R-38 unfaced fiberglass batt insulation helps reduce heat loss and improve comfort in residential spaces. Sized for common framing cavities, it’s designed to deliver strong thermal performance without an attached facing layer.
Key Features:
- High Thermal Performance: R-38 insulation helps improve energy efficiency and indoor comfort
- Unfaced Design: Ideal where a separate vapor retarder is used or where unfaced insulation is required
- Batt Format: Easy to fit into framing cavities for typical residential insulation projects
- Coverage Included: Provides 40 sq-ft per package for straightforward project planning
Specifications Table:
| Specification | Details |
|---|---|
| R-Value | R-38 |
| Insulation Type | Fiberglass batt |
| Facing | Unfaced |
| Width | 15 in |
| Length | 48 in |
| Coverage | 40 sq-ft |
| Category | Batt Insulation |
Frequently Asked Questions (FAQ):
Q: What does “unfaced” mean?
A: Unfaced means the fiberglass batt has no attached kraft paper or foil facing, so it can be used where a separate vapor retarder is installed or where local code calls for unfaced insulation.
Q: Where can R-38 batts be used?
A: R-38 batts are commonly used in attics and other areas where higher R-values are desired, depending on your climate zone and local building requirements.
Q: How much area does this package cover?
A: This package covers 40 square feet.
Q: Will this fit my framing?
A: The batt size listed is 15 in x 48 in; confirm your cavity width and the required thickness/R-value for your assembly before purchasing.
Quiet Luxury, Hidden in the Walls
True comfort is the most persuasive form of luxury—and it starts with what you don’t see. This R-38 unfaced fiberglass batt brings a calm, climate-controlled consistency to the home, helping spaces feel intentionally composed in every season. Use it to elevate the experience of top-floor bedrooms or serene attic conversions where temperature swings can disrupt the mood. It’s the understated foundation that makes refined living feel effortless.
Upgrade your home’s comfort and efficiency with Knauf R-38 unfaced fiberglass batt insulation sized for easy planning and coverage.
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