JM Formaldehyde-free™ thermal and acoustical insulation is made of long, resilient glass fibers bonded with a thermosetting resin. A wide range of thermal resistance R-values is available to provide thermal control for both vertical and horizontal applications. JM insulation is available unfaced or with a variety of facings, including kraft or foil vapor retarder.

Features

Formaldehyde-free: will not off-gas formaldehyde in the indoor environment.
Thermally Efficient: provides effective resistance to heat transfer with R-values up to R-49 (RSI-8.6).
Sound Control: reduces transmission of sound through exterior and interior walls and floor or ceiling assemblies.
Fire Resistant and Noncombustible: Flame Spread: <75, Smoke Developed: <150, Vapor Retarder (Perms): 0.05
Durable Inorganic Glass: will not rot, mildew or deteriorate and is noncorrosive to pipes, wiring and metal studs.
Superior Performance: bonded glass fibers are dimensionally stable and will not slump within the wall cavity, settle or break down during normal applications.

128 sq ft/bag