Johns Manville R-21 Wall 67.81-Sq Ft Kraft Faced Fiberglass Batt Insulation

For use in 2×6 wood-framed walls floors and crawl spaces. Batts are pre-cut for use in standard 8-ft walls with 16-in on-center stud spacing. Facing provides built-in vapor retarder for moisture control. Improves energy efficiency and provides sound control. JMs bio-based binder is mostly made from rapidly renewable plant-based materials satisfying increased demand for agriculturally-sourced products. JM is a partner of the Seal and Insulate with ENERGY STAR program. SCS Recycled Content certification. GREENGUARD Gold Certified for office indoor air quality and SCS Certified for home indoor air quality.