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.
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
|Flame Spread||ASTM E84||≤ 25|
|Smoke Development||ASTM E84||≤ 50|
| Water Vapor
|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|
|Fungi Resistance||ASTM C1388||Pass|
ComfortTherm SDS (ES)
Certifications and Specifications
Fiberglass Installation Instructions
Fiberglass Installation Instructions (ES)