R-30 Kraft-faced fiberglass attic batt insulation

Formaldehyde-free Johns Manville R-30 kraft-faced fiberglass batts deliver high thermal performance for attics and cathedral ceilings. Precut to fit 24-in stud spacing, they add moisture control with a built-in vapor retarder while helping reduce sound transmission.

Key Features:

• High R-Value Performance: R-30 thermal rating for improved energy efficiency in attics and ceilings
• Built-In Moisture Control: Kraft facing provides an integrated vapor retarder
• Formaldehyde-Free Fiberglass: Health-conscious material with GREENGUARD Gold certification
• Easy Installation: Precut batts fit 24-in cavities; press in place and staple tabs if needed
• Durable & Noncorrosive: Will not rot or mildew; safe around pipes, wiring, and metal studs

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Can these batts be used in cathedral ceilings?
A: Yes. They feature a thinner profile option designed for cathedral ceilings.

Q: Do the batts include a vapor barrier?
A: Yes, the kraft facing acts as a built-in vapor retarder for moisture control.

Q: What cavity spacing do they fit?
A: They are precut for 24-inch stud/joist spacing with each batt 23.625 inches wide.

Q: Are they safe for indoor air quality?
A: Yes. They are formaldehyde-free and GREENGUARD Gold certified.

Q: How much area does one package cover?
A: The package covers 86.62 square feet and includes 11 precut batts.

Elevate Your Attic with Quiet, Cozy Performance

These R-30 batts wrap your home in a hushed, insulating layer, refining comfort while keeping lines clean and purposeful. The warm kraft facing adds a tailored look that feels considered in cathedral ceilings. Pair with crisp white rafters and minimal hardware for a streamlined install that complements modern and classic spaces alike. It’s a smart, luxurious foundation for energy-efficient living.

Upgrade your attic with R-30 performance and built-in moisture control—choose Johns Manville batts today.