R12x23 Fiberglass Batt Insulation - Johns Manville

Johns Manville R12 fiberglass batts provide reliable thermal performance, making them an excellent choice for walls, basements, and renovation projects where moderate insulation is required. Sized for 23" on-center framing, these batts fit securely to reduce gaps and improve energy efficiency.

Made from durable fiberglass, they are naturally non-combustible and resistant to mold and mildew, ensuring long-term safety and performance. Lightweight and easy to install, the batts maintain their shape for consistent coverage and dependable results.

Trusted by contractors and homeowners, Johns Manville R12 insulation delivers comfort, efficiency, and value for a wide range of building applications.

-Material: Fiberglass
-Coverage: 150.14 Sqft
-Thickness: 3.5"
-Width: 23"
-Length: 47"
-Framing: Wood
-Batts: 20 Pieces