CertainTeed InsulPure R-38 Kraft Faced Fiberglass Batt Insulation 24 in. x 48 in. (8-Piece, 64 sq-ft)R 38 Kraft Faced Fiberglass Batt Insulation (24 in. x 48 in., 64 sq ft) CertainTeed InsulPure R 38 kraft faced fiberglass batt insulation helps improve energy efficiency and indoor comfort with long lasting thermal and acoustic performance. The kraft facing adds a built in vapor retarder for common attic and ceiling applications, and the batts are designed to be easy to handle, cut, and install. Key Features: High R 38 Performance: Helps reduce heat

R-38 Kraft-Faced Fiberglass Batt Insulation (24 in. x 48 in., 64 sq-ft)

CertainTeed InsulPure R-38 kraft-faced fiberglass batt insulation helps improve energy efficiency and indoor comfort with long-lasting thermal and acoustic performance. The kraft facing adds a built-in vapor retarder for common attic and ceiling applications, and the batts are designed to be easy to handle, cut, and install.

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Key Features:

• High R-38 Performance: Helps reduce heat transfer for improved comfort and energy savings in attics and ceilings.
• Kraft-Faced Vapor Retarder: Attached facing helps manage moisture in typical residential applications.
• Thermal + Acoustic Benefits: Designed to deliver both temperature control and sound reduction.
• Cleaner, Easier Handling: Formulated to be less dusty, faster to recover, and easier to cut and install.
• Long-Lasting Fit: Specially formulated to not settle, accumulate moisture, or lose R-value over time.

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Brand	CertainTeed
Product Line	InsulPure
Insulation R-Value	R38
Insulation Type	Fiberglass Insulation
Roll or Batt	Batt
Faced or Unfaced	Faced
Facing Type	Kraft faced
Coverage Area	64 sq ft
Product Width	24 in
Product Length	4 ft
Product Thickness	12 in
Batt/Roll Size	4 ft. x 24 in.
Pieces per Pack	8
Pack Size	1
Bag Size	4.33333333333333 ft. x 24 in. x 13 in.
Compatible Install Surface	Existing Drywall, Existing Insulation, Fiberglass
Insulation Features	Soundproofing Insulation, Vapor Retardant
Insulation Location	Attic, Ceiling Insulation
Warranty Information	20 year
Product Weight	36.65 lb

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Frequently Asked Questions (FAQ):

Q: What areas is this insulation intended for?
A: It’s listed for attic and ceiling insulation, and is also described for use in walls, floors, and ceilings in residential or commercial construction.

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Q: Is this product faced or unfaced?
A: Faced (kraft faced), which provides an attached vapor retarder.

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Q: How much does one pack cover and what’s included?
A: One pack covers 64 sq. ft. and includes 8 batts sized 24 in. x 48 in.

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Q: Does it help with sound reduction?
A: Yes—it's listed as soundproofing insulation and is described as providing excellent acoustical performance.

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Q: Is it formaldehyde-free?
A: Yes—it's described as UL-validated formaldehyde-free.

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A Quiet, Cozy Layer That Elevates the Whole Home

Think of this as the invisible luxury that makes every room feel more intentional—warmer in winter, cooler in summer, and noticeably calmer. The kraft-faced batt brings a tailored, built-in vapor retarder detail that feels as considered as fine lining in couture. Use it to refine attics and ceilings where comfort swings are most dramatic, then let the rest of the design shine—textiles feel richer, light feels softer, and sound feels more intimate. It’s a foundational upgrade that turns “finished” into truly livable.

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Upgrade your comfort and efficiency—install CertainTeed InsulPure R-38 kraft-faced batts for dependable attic-ready performance.

Warranty

Installation