MinWool Curtainwall

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.

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Data Sheet - Curtainwall 40

Data Sheet - Curtainwall 80

SDS

Product Guide

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).

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

JM Mineral Wool

JM Overview Video

JM Mineral Wool Product Properties
(short version)

JM Mineral Wool Product Properties

Available Documents

Resources

Products

GoBoard Tile Backer

MinWool Curtainwall

MinWool Curtainwall

Advantages

Data Sheet

SDS

Specifications and Certifcations

Limited Warranty

Literature