Description
Johns Manville Formaldehyde-free Kraft-faced thermal and acoustical insulation offers R-Values up to R-49. It is ideal for moisture control in exterior walls, reduces sound transmission through walls, ceilings and floors. JM insulation is compression-packaged for space savings, and is offered in precut batts to fit standard wall cavities for both vertical and horizontal applications.
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Kraft-faced fiberglass batt insulation ideal for sound control in 2x6 wood-framed walls and basements, and provides a built-in vapor barrier for moisture control
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Improves energy efficiency and provides sound control
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Batts are pre-cut for use in standard 8-ft walls with 16-in on-center stud spacing
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Simple to install, press in place between studs
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Will not rot, mildew or deteriorate and is noncorrosive to pipes, wiring and metal studs
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JM is a partner of the Seal and Insulate with ENERGY STAR program
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SCS Recycled Content certification
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GREENGUARD Gold Certified for office indoor air quality and SCS Certified for home indoor air quality
| 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 |
