JM Unfaced Formaldehyde-Free™ fiberglass insulation offers R-values ranging from R-11 to R-38, as well as effective thermal and noise control. Our Unfaced fiberglass insulation is available in pre-cut batts for standard sized wall cavities and in rolls that can be cut to fit any size cavity.
JM Insulation Batt, 3-1/2 in Thickness, 24 in Width, 48 in Length, Unfaced Facing, R-Value: R11, Attic, Basement, Ceiling, Crawl Space, Floor, Wall Installation, Fiberglass
| Facing Type | : | Unfaced |
| Installation Type | : | Attic, Basement, Ceiling, Crawl Space, Floor, Wall |
| Length | : | 48 in |
| Material | : | Fiberglass |
| R-Value | : | R11 |
| Thickness | : | 3-1/2 in |
| Width | : | 24 in |
- Will not off-gas formaldehyde in the indoor environment
- Provides effective-resistance to heat transfer with R-values up to R-49
- Reduces transmission of sound through exterior and interior walls and floor or ceiling assemblies
- Will not rot, mildew or deteriorate and is non-corrosive to pipes, wiring and metal studs
- Bonded glass fibers are dimensionally stable and will not slump within the wall cavity, settle or break down during normal applications
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