ComfortTherm

Providing dust-free, itch-free installation, plastic-wrapped Johns Manville ComfortTherm® batts and rolls make projects easier to complete.

Data Sheet

SDS

Product Guide

Johns Manville ComfortTherm^® poly-encapsulated thermal and acoustical insulation offers R-Values up to R-30 and is available in precut batts to fit standard wall cavities or rolls for custom installation in any size of wall cavity. ComfortTherm® insulation is wrapped in plastic for dust-free, itch-free installation, and can be used in a wide variety of wood frame, 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-30.
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.
Fire-Resistant: Can be left exposed where building codes permit. Flame Spread of 25 or less and and Smoke Developed of 50 or less.
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 A, Category 1 or 2 [Standard ComfortTherm is Category 1 (vapor retarder). ComfortTherm for hot, humid climates is Category 2 (non-vapor retarder).]
Flame Spread	ASTM E84	≤ 25
Smoke Development	ASTM E84	≤ 50
Water Vapor Permeance	ASTM E96	0.5 Perms (29 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