R20x16 Fiberglass Batt Insulation - Johns Manville

Johns Manville R20 fiberglass batts provide excellent thermal resistance, making them ideal for exterior walls, attics, and ceilings in residential and commercial projects. Designed for 16" on-center framing, these batts fit snugly into cavities to minimize gaps and improve overall energy efficiency.

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

Trusted by contractors and builders, Johns Manville R20 insulation delivers reliable comfort, energy savings, and durability for a wide range of applications.

-Material: Fiberglass
-Coverage: 78.3 Sqft
-Thickness: 6"
-Width: 16"
-Length: 48"
-Framing: Wood
-Batts: 16 Pieces