Johns Manville R-49 Kraft-Faced Fiberglass Batt Insulation

Johns Manville Formaldehyde-free Kraft-faced thermal and acoustical insulation offers R-Values up to R-49. It is ideal for moisture control in exterior walls, reduces sound transmission through walls, ceilings and floors. 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.,Johns Manville Formaldehyde-free Kraft-faced thermal and acoustical insulation offers R-Values up