
CertainTeed R-38C Kraft-Faced Fiberglass Batt Insulation, 15 in x 48 in, 35 sq-ft
R-38C Kraft-Faced Fiberglass Batt Insulation (35 sq-ft)
CertainTeed R-38C kraft-faced fiberglass batt insulation is designed to improve thermal performance and help reduce energy costs in framed cavities. Pre-sized batts make installation straightforward while the kraft facing acts as an integrated vapor retarder for appropriate applications.
Key Features:
- High R-Value Performance: R-38C fiberglass batt helps reduce heat transfer for improved comfort and energy efficiency.
- Kraft-Faced Vapor Retarder: Integrated kraft facing supports moisture control in suitable wall/ceiling applications.
- Sized for Framing Cavities: Made to fit common wood or metal framing for consistent coverage.
- Flexible Installation Options: Can be stapled in place or friction-fit depending on your assembly.
- Noise-Reducing Benefit: Fiberglass construction helps improve interior sound control versus uninsulated cavities.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | CertainTeed |
| Insulation type | Fiberglass batt |
| Facing | Kraft faced |
| R-Value | R-38C |
| Product dimensions (W x L) | 15 in x 48 in |
| Coverage per bag | 35 sq-ft |
| Pack size | 5 batts |
| Manufacturer code | 901565 |
Frequently Asked Questions (FAQ):
Q: What area does one bag cover?
A: One bag covers 35 sq ft.
Q: Is this insulation faced or unfaced?
A: It is kraft-faced (faced) fiberglass batt insulation.
Q: What framing size is it intended for?
A: It is sized for common metal or wood framing cavities; verify cavity depth and width against the product dimensions before purchase.
Q: How is it installed?
A: It can be installed by friction-fit in the cavity or stapled (where appropriate) using the facing flanges.
Quiet warmth, beautifully concealed.
Great interiors begin with what you don’t see—comfort that feels effortless. This kraft-faced R-38C fiberglass batt turns attics and framed cavities into a calmer, more temperature-stable envelope, helping rooms feel serene in every season. The pre-sized format brings a tailored, architectural order to the build—clean lines, consistent coverage. Consider it the invisible luxury that lets every finish, fabric, and fixture shine without distraction.
Upgrade your envelope with CertainTeed R-38C kraft-faced batts for more consistent comfort and lower energy waste.
Original: $337.84
-70%$337.84
$101.35Product Information
Product Information
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Description
R-38C Kraft-Faced Fiberglass Batt Insulation (35 sq-ft)
CertainTeed R-38C kraft-faced fiberglass batt insulation is designed to improve thermal performance and help reduce energy costs in framed cavities. Pre-sized batts make installation straightforward while the kraft facing acts as an integrated vapor retarder for appropriate applications.
Key Features:
- High R-Value Performance: R-38C fiberglass batt helps reduce heat transfer for improved comfort and energy efficiency.
- Kraft-Faced Vapor Retarder: Integrated kraft facing supports moisture control in suitable wall/ceiling applications.
- Sized for Framing Cavities: Made to fit common wood or metal framing for consistent coverage.
- Flexible Installation Options: Can be stapled in place or friction-fit depending on your assembly.
- Noise-Reducing Benefit: Fiberglass construction helps improve interior sound control versus uninsulated cavities.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | CertainTeed |
| Insulation type | Fiberglass batt |
| Facing | Kraft faced |
| R-Value | R-38C |
| Product dimensions (W x L) | 15 in x 48 in |
| Coverage per bag | 35 sq-ft |
| Pack size | 5 batts |
| Manufacturer code | 901565 |
Frequently Asked Questions (FAQ):
Q: What area does one bag cover?
A: One bag covers 35 sq ft.
Q: Is this insulation faced or unfaced?
A: It is kraft-faced (faced) fiberglass batt insulation.
Q: What framing size is it intended for?
A: It is sized for common metal or wood framing cavities; verify cavity depth and width against the product dimensions before purchase.
Q: How is it installed?
A: It can be installed by friction-fit in the cavity or stapled (where appropriate) using the facing flanges.
Quiet warmth, beautifully concealed.
Great interiors begin with what you don’t see—comfort that feels effortless. This kraft-faced R-38C fiberglass batt turns attics and framed cavities into a calmer, more temperature-stable envelope, helping rooms feel serene in every season. The pre-sized format brings a tailored, architectural order to the build—clean lines, consistent coverage. Consider it the invisible luxury that lets every finish, fabric, and fixture shine without distraction.
Upgrade your envelope with CertainTeed R-38C kraft-faced batts for more consistent comfort and lower energy waste.



















