Johns Manville R28 fiberglass batts provide excellent thermal resistance, making them a smart choice for attics, walls, and ceilings where higher energy efficiency is required. Their flexible design ensures a snug fit into 15" on-center framing, reducing gaps and improving overall performance.

Made from durable fiberglass, these batts are naturally non-combustible and resistant to mold and mildew, ensuring long-lasting protection and a healthier indoor environment. Lightweight and easy to install, they maintain their shape for consistent coverage and dependable results.

Trusted by contractors and homeowners alike, Johns Manville R28 insulation delivers superior comfort, energy savings, and reliability for demanding building projects.

-Material: Fiberglass
-Coverage: 40 Sqft
-Thickness: 8.5"
-Width: 15"
-Length: 48"
-Framing: Wood
-Batts: 8 Pieces