R-19 Unfaced Fiberglass Batt Insulation 6-1/2 in. x 24 in. x 48 in. (144 sq. ft.) | R19U-2448-JM

Johns Manville formaldehyde-free unfaced thermal and acoustical insulation offers R-values up to R-30. It is ideal for sound control, reduces sound transmission through walls, ceilings and floors, and can be added to existing insulation. JM insulation is

• Fiberglass batt insulation for use in 2x6 steel-framed walls, floors, and crawlspaces
• Unfaced fiberglass batts do not have a vapor barrier and can be added to existing insulation
• Ideal for interior wall sound control, and improves energy efficiency
• Batts are pre-cut for use in standard 8-ft walls with 24-in on-center stud spacing
• Simple to install, press in place between studs
• Will not rot, mildew or deteriorate and is noncorrosive to pipes, wiring and metal studs
• 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