Johns Manville Formaldehyde-free unfaced thermal and acoustical insulation offers R-Values up to R-49. It can be added to existing insulation in attics and ceilings. JM insulation is compression-packaged for space savings, and is offered in precut batts to fit standard cavities for both vertical and horizontal applications.
Fiberglass batt insulation for use in wood-framed attics, ceiling, basements and floors
Unfaced fiberglass batts do not have a vapor barrier and can be added to existing insulation
Improves energy efficiency and provides sound control
Batts are pre-cut in standard 4-ft length for use with 16-in on-center joist spacing
press in place between joists
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