Kraft-Faced Fiberglass

Kraft Faced Fiberglass

For thermal and acoustical performance that lasts, Johns Manville Kraft-faced Formaldehyde-free™ fiberglass insulation is paper-faced to help control moisture in concealed applications.

Data Sheet

SDS

Product Guide

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.

Note: Color of product may differ based on the manufacturing location.

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.

ASTM Standards	ASTM C665	Type II, Class C, Category 1
Water Vapor Permeance Facing	ASTM E96	1.0 Perms (57 ng/Pa-s-m²)
Water Vapor Sorption	ASTM C1104	5% or less by weight
Odor Emission	ASTM C1304	Pass
Corrosiveness	ASTM 665	Pass
Fungi Resistance	ASTM C1388	Pass