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.
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Unfaced fiberglass batt insulation for use in wood-framed attics, ceilings, basements, and floors 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