Johns Manville Insulation Systems -JM Fireblock

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Designed to fireblock penetrations between rooms and floors, Johns Manville Fireblock Foam Air Sealant is a low-pressure, one-component polyurethane foam sealant designed for Type V residential applications.


Category: construction sealants | firestopping | joint firestopping...

MasterFormat: Joint Firestopping | Building Perimeter Firestopping | Joint Protection...



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

https://www.jm.com

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Overview


JM Fireblock

Designed to fireblock penetrations between rooms and floors, Johns Manville Fireblock Foam Air Sealant is a low-pressure, one-component polyurethane foam sealant designed for Type V residential applications.

Johns Manville Fireblock Foam Air Sealant is a low-pressure, one-compont product designed for Type V residential applications to prevent fire from spreading between rooms and floors in framed residential construction applications. It is chemically inert and non-reactive in approved applications, and will not harm electrical wire insulations, rubber, PVC, or other plastics. It is for professional use only.

Advantages
Fire-Resistant: Prevents flame spread between rooms and floors.
Moisture-Resistant: Prevents the growth of mold; stops rotting.
Distinctive Orange Color: Easily recognized as an approved fireblock product.


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Specifications

Specifications
DensityASTM D 16221.00 lbs/ft3 (16 kg/m3)
K-Factor R-ValueASTM C 5180.222 Btu-in/ft2 • h • °F R-4.5 per inch
Air Permeance at 1.57 psf (75 Pa)ASTM E283, E2178E2178 < 0.00028 cfm/ft2 (< 0.0014 L/s/m2)
Compressive Strength (parallel to rise)ASTM D16216.38 psi (43.9 kPa)
Tensile Strength (parallel to rise)ASTM 162312 psi (83 kPa)
Dimensional StabilityASTM D2126+/- 5%
Tack-FreeApprox. 5 minutes
Closed-Cell ContentASTM D2856, D662677% (D2856)
Fire Rating: Caulking & Sealant Tested 3 Beads @ 3⁄4” ThicknessASTM E84/UL 723Flame Spread Index: ≤ 25
Smoke Developed: ≤ 50
Cuttable1 hour