Johns Manville R-12 Fiberglass Insulation 97.92 sq.ft – 15″ x 47″

Upgrade your building’s energy efficiency with Johns Manville R-12 Fiberglass Insulation — the trusted choice for contractors, builders, and homeowners. Sized at 15″ x 47″ x 3.5″ and covering 97.92 sq.ft., this insulation delivers reliable thermal and acoustical control for walls, floors, ceilings, and crawlspace’s.

Made with advanced fiberglass technology, it’s formaldehyde-free, non-combustible, and resistant to moisture, rot, and deterioration, making it ideal for both new construction and renovations. Whether you’re insulating a residential home, commercial building, or upgrading a retrofit project, Johns Manville insulation provides consistent performance that meets or exceeds building code requirements.

Its flexible batts are easy to cut, install, and fit snugly between studs or joists—perfect for vertical or horizontal applications. Choose from unfaced, kraft-faced, or foil-faced options to suit your specific project needs.

Key Benefits:

• Thermal resistance: R-12

• Coverage: 97.92 sq.ft. per bag

• Thickness: 3.5″

• Non-corrosive & non-combustible

• Improves sound control and indoor comfort

  

• Available in stock for fast delivery across the GTA

Don’t compromise on insulation quality—build smarter with Johns Manville.