Johns Manville Insulation Systems -JM Corbond III - Spray Foam Insulation

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Johns Manville Corbond III® closed-cell spray polyurethane foam insulation offers and R-Value of R-7 per inch and can be applied in a single pass to a maximum of 3.5 inches.


Category: ceiling products | commercial insulation | foamed in place insulation...

MasterFormat: Thermal Protection | Thermal Insulation | Foamed-in-Place Insulation...



Johns Manville Insulation Systems
717 17th Street
Denver, CO 80217
Tel: (303) 978-2000

sweetsinfo@jm.com

https://www.jm.com/

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Overview


JM Corbond III - Spray Foam Insulation

Johns Manville Corbond III® closed-cell spray polyurethane foam insulation offers and R-Value of R-7 per inch and can be applied in a single pass to a maximum of 3.5 inches, providing superior thermal performance with seamless air sealing and moisture control in a single step. Multiple immediate passes, with no wait time, may also be applied. With high yield and excellent adhesion, it's an ideal choice for high-performing energy efficient commercial, residential and industrial applications.

Advantages:
Complete Coverage:
Expands and adheres without shrinking or settling.
Energy-Efficient: Reduces air and moisture infiltration to the building envelope and provides continuous coverage for high thermal performance.
Air Barrier: Prevents leaks when installed at 1” thickness or more.
Moisture Performance: Resists mold growth; meets current vapor retarder codes.
Wide Application Temperature Range: Can be applied between 20°F and 120°F , delivering consistent performance with seasonal versatility.
Faster Installation: Spray easily in a single pass from a minimum of .5" to a maximum of 3.5”. Multiple immediate passes, with no wait time, may also be applied.
Commercial Approvals: NFPA 285 assembly approvals. Appendix X approval for application in unoccupied attics and crawl spaces without a prescriptive ignition barrier or coating.


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Specifications

Specifications
SPF Acceptance CriteriaASTM AC377Pass
Flame SpreadASTM E8425
Smoke DevelopmentASTM E84450
Fungi ResistanceASTM C1388Pass
Dimensional StabilityASTM D2126< 15% change in volume
Nominal DensityASTM D16222 pcf
Closed-Cell ContentASTM D6226> 90%
Compressive Strength (1”)ASTM D162136 psi
Water AbsorptionASTM D28420.9%
Water Vapor TransmissionASTM E960.61 perms @ 1.5"
Air PermeanceASTM E2178-030.00055 (L/s)/m at 75 Pa
Sound TransmissionASTM E90-90, ASTM E413-8736 (STC)
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