R-21 Unfaced Fiberglass Wall Batt Insulation

JM R-21 unfaced fiberglass batts help reduce heat loss and improve comfort in 2x6 wood-stud wall cavities. Precut 23 in x 93 in batts are designed for 24 in on-center framing and provide 103.97 sq ft of coverage per pack.

Key Features:

• Thermal + Sound Performance: R-21 insulation helps manage heat flow and provides sound control in interior and exterior walls.
• Sized for 2x6 Walls: Precut 23 in x 93 in batts fit standard 24 in on-center wood framing for typical 8 ft wall applications.
• Simple Friction-Fit Install: Unfaced batts press into place between studs and can be added over existing insulation where appropriate.
• Formaldehyde-Free and Indoor Air Quality Certified: Formaldehyde-free product with GREENGUARD Gold certification listed.
• Durable, Noncorrosive Material: Fiberglass won’t rot, mildew, or deteriorate and is noncorrosive to pipes, wiring, and metal components.

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What wall framing does this insulation fit?
A: It’s sized for 2x6 walls with 24-inch on-center wood-stud framing (23-inch-wide batts).

Q: Does this product have a facing or vapor retarder?
A: No—this is unfaced insulation and it does not include a vapor retarder.

Q: How many pieces and how much area does a pack cover?
A: One pack contains 7 batts and covers 103.97 sq ft.

Q: Can it help with noise reduction?
A: Yes—this product is listed as a sound barrier and is intended to help control unwanted noise in wall assemblies.

Q: Is it certified for indoor air quality?
A: It is listed as formaldehyde-free and GREENGUARD Gold Certified.

Quiet Comfort, Seamlessly Built In

There’s a special kind of luxury that’s felt, not flaunted—rooms that hold warmth, soften sound, and instantly feel composed. These unfaced fiberglass batts tuck cleanly into 2x6 wall cavities, creating a calm, insulated envelope that lets your finishes shine. Use them to make bedrooms and media spaces feel more hushed and intentional, or to bring basement walls up to a more livable, refined comfort. It’s the invisible layer that elevates everyday living.

Upgrade your wall cavities with JM R-21 unfaced batts for a warmer, quieter home with an easy friction-fit installation.