MinWool Curtainwall

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Using either plain or a foil faced vapor retarder, Johns Manville MinWool® Curtainwall insulation provides superior fire resistance and thermal properties to glass, metal and masonry curtainwall spandrel systems.

Johns Manville MinWool® Curtainwall insulation is available in a wide range of thicknesses and is available plain or with a foil facing vapor retarder. Providing superior fire resistance and acoustical properties, MinWool Curtainwall is designed for use in glass, metal and masonry curtainwall spandrel systems and can be placed between or over framing members.

Available in 2 densities, Curtainwall 40 (4.0 pcf) and Curtainwall 80 (8.0 pcf). 

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 Development of 5 or less.
Sound Control: Excellent sound absorption to reduce sound transmission.
Durable Inorganic Glass: No growth of fungi. No sustaining of vermin.
Densities: Curtainwall 40 (4.0 pcf) and Curtainwall 80 (8.0 pcf). 

  ASTM Standards   ASTM C665   Unfaced: Type 1
  Faced: Type III, Class A, Category 1
  Thermal Resistance   ASTM C518   R-value R4–R-4.2 per inch
  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 Curtainwall 40 - Data Sheet
Minwool Curtainwall 80 - Data Sheet

SDS
MinWool Curtainwall SDS
MinWool Curtainwall SDS (ES)

Specifications and certificates
MinWool Curtainwall and Safing
Mineral Wool Environmental Product Declaration

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