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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 and 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 for use in standard 8-ft walls with 16-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