MinWool Safing

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Providing a fire-rated seal between the spandrel panel and floor slab in commercial curtainwall systems, Johns Manville MinWool® Safing prevents smoke and flames from passing through openings in fire-rated assemblies.

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.

Johns Manville

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.

  ASTM Standards   ASTM C665   Unfaced: Type I
  Faced: Type III, Class A, Category 1
  Flame Spread   ASTM E84   Unfaced: 0
  Faced: ≤ 25
  Smoke Development   ASTM E84   Unfaced: 0
  Faced: ≤ 5
  Water Vapor Permeance Facing   ASTM E96   0.02 perms, maximum
  Water Vapor Sorption   ASTM C1104   < 1% by weight; < 0.2% by volume at 120ºF (49ºC), 95% RH
  Odor Emission   ASTM C1304   Pass
  Corrosiveness   ASTM C665   Pass
  Fungi Resistance   ASTM C1338   Pass
  Combustion Characteristics   ASTM E136   Pass
     ASTM C612   Type 1–4

Data Sheet
MinWool Safing Data Sheet

SDS
MinWool Safing SDS
MinWool Safing SDS (ES)

Specifications And Certificates
MinWool Curtainwall and Safing
Mineral Wool Environmental Product Declaration
Industrial Insulation Group (IIG) Relationship

Limited Warranty
Mineral Wool Limited Warranty

Literature
Product Selector Guide
Mineral Wool Product Comparison Chart
Mineral Wool 2.0 Sell Sheet


JM Mineral Wool 


JM Overview Video


JM Mineral Wool Product Properties
(short version)


JM Mineral Wool Product Properties

Available Documents