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, and if offered with thinner profile option designed specifically for cathedral 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.
Thinner profile fiberglass batt insulation designed for cathedral ceilings
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