Johns Manville formaldehyde-free FSK-25 batts are lightweight, thermal and acoustical fiberglass insulation designed with a foil facer that provides superior fire resistance as well as vapor barrier.
- FSK-25 facing serves as a vapor retarder and may be left exposed where codes permit
- For use in 2x6 steel-framed walls, floors, and crawl spaces
- Batts are pre-cut for use in standard 8-ft walls with 24-in on-center stud spacing
- Improves energy efficiency and provides sound control
- 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
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