Johns Manville Insulation Systems -JM Corbond III

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Offering a high R-Value per inch, Johns Manville Corbond III® closed-cell spray polyurethane foam provides air sealing and moisture control in a single install step.


Category: closed-cell spray foam insulation | 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

https://www.jm.com

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Overview


JM Corbond III

Offering a high R-Value per inch, Johns Manville Corbond III® closed-cell spray polyurethane foam provides air sealing and moisture control in a single install step.

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 pimmediate 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: R-7.0 per inch.
Air Barrier: Prevents leaks when installed at 1” thickness or more. Tested in accordance with ASTM E2178. ABAAapproved.
Superior Moisture Performance: Resists mold growth; meets current vapor retarder codes (rating of 0.61 perms at 1-1/2” thick, in accordance with ASTM E96).
Wide Application Temperature Range: Applies between 20°F and 180°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. See Data Sheet for complete information.
Commercial Approvals: NFPA 285 assembly approvals.


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Specifications

Specifications
SPF Acceptance CriteriaASTM AC377Pass
Flame SpreadASTM E84≤ 25
Smoke DevelopmentASTM E84≤ 450
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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