Johns Manville Insulation Systems -MinWool Safing - Mineral Wool Insulation

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Johns Manville MinWool® Safing is available plain or with a foil facing vapor retarder on one face. Nonorganic and moisture-resistant, MinWool Safing prevents smoke and flames from passing through openings in fire-rated assemblies.


Category: commercial insulation | fire stopping | firestopping...

MasterFormat: Thermal Protection | Blanket Insulation | Firestopping...



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


MinWool Safing - Mineral Wool Insulation

Johns Manville MinWool® Safing is available plain or with a foil facing vapor retarder on one face. Nonorganic and moisture-resistant, MinWool Safing prevents smoke and flames from passing through openings in fire-rated assemblies. It is designed to provide a fire-rated seal when installed between the spandrel panel and floor slab in commercial curtainwall systems.

Advantages
Fire-Resistant: Melting point in excess of 2000˚F (1093˚C). Unfaced: Flame Spread of 0 and Smoke Developed of 0. Faced: Flame Spread of 25 or less and Smoke Developed of 5 or less.
Durable Inorganic Glass: No growth of fungi. No sustaining of vermin.


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Specifications

Specifications
ASTM StandardsASTM C665Unfaced: Type I
Faced: Type III, Class A, Category 1
Flame SpreadASTM E84Unfaced: 0
Faced: 25
Smoke DevelopmentASTM E84Unfaced: 0
Faced: 5
Water Vapor Permeance FacingASTM E960.02 perms, maximum
Water Vapor SorptionASTM C1104< 1% by weight; < 0.2% by volume at 120ºF (49ºC), 95% RH
Odor EmissionASTM C1304Pass
CorrosivenessASTM C665Pass
Fungi ResistanceASTM C1338Pass
Combustion CharacteristicsASTM E136Pass
ASTM C612Type 1-4
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