R21 5 1/2 in x 16 in x 96 in Johns Manville Formaldehyde-Free Fiberglass Kraft-Faced Insulation

Johns Manville Formaldehyde-free™ Kraft-faced thermal and acoustical insulation offers R-Values up to R-49, and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Kraft-faced insulation is ideal for moisture control in exterior walls, reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood-framed, engineered wood and steel frame construction applications, including new construction and retrofit.

Advantages

• Thermally Efficient: Effective resistance to heat transfer, with R-values up to R-49.
• Formaldehyde-free: Will not off-gas formaldehyde in the indoor environment.
• Sound Control: Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies.
• Resilient Inorganic Glass: No rotting, mildew or deterioration. Also noncorrosive to pipes, wiring and metal studs.
• Superior Performance: Stable bonded glass fibers will not slump within the wall cavity, settle or break down during normal applications.

74.66 sq ft/bag