R-13 Unfaced Fiberglass Batt Insulation (128.04 sq ft)

CertainTeed InsulPure R-13 unfaced fiberglass batt insulation is designed for 2×4 walls and floors to help improve thermal comfort and reduce noise. The formaldehyde-free, GREENGUARD Gold certified insulation is easy to cut and fit for common stud spacing applications.

Key Features:

• R-13 Thermal Performance: Helps reduce heat loss/gain for more consistent indoor comfort in 2×4 wall and floor cavities.
• Unfaced Batt Design: Ideal when no kraft facing/vapor retarder is desired and for layering with other assemblies.
• Cleaner Indoor Air Choice: UL-validated formaldehyde-free and GREENGUARD Gold certified for low VOC emissions.
• Durable & Moisture Resistant: Resists mold and mildew and wont rot or deteriorate.
• DIY-Friendly Handling: Lightweight batts can be cut with standard drywall tools for faster installation.

Please check the Product Data Sheet Here

Specifications Table:

Frequently Asked Questions (FAQ):

Q: How much area does one bag cover?
A: One bag covers 128.04 sq ft.

Q: Will this fit standard 2×4 walls?
A: Yes. The batts are sized for 16-in stud spacing and fit 2×4 walls.

Q: Is it faced or unfaced, and does it include a vapor retarder?
A: It is unfaced and does not include a vapor retardant.

Q: Can it be used for sound control?
A: Its intended for thermal and acoustical insulation applications and is marketed as providing excellent acoustical performance.

Q: Is it formaldehyde-free?
A: Yeslisted as UL-validated formaldehyde-free.

Quiet comfort, beautifully concealed

Think of this insulation as the invisible layer that makes a room feel finishedwarmer in winter, cooler in summer, and noticeably calmer acoustically. The unfaced fiberglass batt format keeps your assemblies flexible, slipping cleanly into 2×4 cavities without adding a visible barrier. Use it to refine bedrooms, studios, or any space where hush and comfort elevate the experience. Its the kind of behind-the-walls essential that turns everyday living into effortless luxury.

Upgrade your walls and floors with CertainTeed InsulPure R-13 batts for a more comfortable, quieter home.

Warranty

Installation