R-11 Kraft-Faced Fiberglass Batt Insulation

Johns Manville R-11 kraft-faced fiberglass batts are pre-cut for standard 2x4 wood-stud wall cavities to help improve comfort and sound control. The kraft facing provides a built-in vapor retarder for moisture management in wall and basement applications.

Key Features:

• Built-In Vapor Retarder: Kraft facing helps manage moisture in concealed wall applications.
• Pre-Cut for Fast Installs: Sized for 16-in on-center 2x4 wood-stud walls and standard 9-ft wall height.
• Thermal + Sound Control: R-11 insulation helps boost energy efficiency and includes sound barrier performance.
• Formaldehyde-Free Fiberglass: Designed for indoor comfort with formaldehyde-free fibers.
• Durable, Noncorrosive Material: Resists rot, mildew, and deterioration and won’t corrode pipes, wiring, or metal studs.

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What wall framing does this batt fit?
A: It’s sized for 2x4 wood-stud walls with 16-in on-center stud spacing.

Q: Does it include a vapor barrier?
A: Yes. It is kraft-faced, which acts as a vapor retarder for moisture control.

Q: Where can I use this insulation?
A: It is listed for use in walls and basements; it is not listed for attics, ceilings, floors, or crawlspaces.

Q: How is it installed?
A: Press the batt between studs; staple the kraft-facing tabs to framing if additional securing is needed.

Q: Is it formaldehyde-free and does it have indoor air quality certifications?
A: Yes—listed as formaldehyde-free and GREENGUARD Gold Certified.

Quiet Luxury, Built Into the Walls

Think of insulation as the invisible couture of a room—shaping how a space feels long before you choose a paint color. These kraft-faced R-11 fiberglass batts slip neatly into 2x4 walls, adding a hush of sound control and a layer of thermal calm that makes every finish feel more intentional. I love the pragmatic beauty of the kraft facing: a warm, tailored surface that doubles as a vapor retarder—function dressed with purpose. Use it to elevate bedrooms, offices, and basement retreats into spaces that feel serene, polished, and unmistakably well-made.

Upgrade your walls with Johns Manville R-11 kraft-faced batts for easier installs, better comfort, and quieter rooms.