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 compression-packaged for space savings, and is offered in precut batts to fit standard wall cavities for both vertical and horizontal applications.
- Fiberglass batt insulation for use in 2x4 steel-framed walls and basements
- 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 efficency
- 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
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