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Mineral Wool Insulation

Johns Manville Mineral Wool batts are made of inorganic fibers derived from basalt, a volcanic rock . Our advanced manufacturing technology ensures consistent product quality, with high-fiber density and low shot content for excellent performance.

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Mineral Wool

JM CladStone Water & Fire Block Mineral Wool

Manufactured from inorganic fibers derived from volcanic rock, Johns Manville CladStone™ Water & Fire Block Insulation is inorganic, noncombustible, moisture repellent and will not mildew or support corrosion.

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Data Sheet - CladStone 45

Data Sheet - CladStone 60

Data Sheet - Cladstone Retaining Clips

SDS

Product Guide

Johns Manville CladStone™ Water & Fire Block insulation is manufactured from inorganic fibers derived from volcanic rock. Advanced manufacturing technology ensures consistent product quality, with high-fiber density and low shot content for excellent performance. Noncombustible, with water-repellent properties, it is ideal for exterior cavity wall and rainscreen applications. Available in 4 densities, CladStone 45 (4.5pcf), CladStone 60 (6.0 pcf), CladStone 80 (8.0 pcf) and CladStone 110 (11.0 pcf).

Advantages

Water-Repellent: Repels water to ensure drainage when applied as part of a proper exterior wall cavity system.
Fire-Resistant: Melting point in excess of 2000˚F (1093˚C). Flame Spread of 0 and
Smoke Developed of 0.
Durable Inorganic Glass: No growth of fungi. No sustaining of vermin.
Densities: CladStone 45 (4.5pcf), CladStone 60 (6.0 pcf), CladStone 80 (8.0 pcf) and CladStone 110 (11.0 pcf)

ASTM Standards	ASTM C665	Type I
Thermal Resistance	ASTM C518	R-4.3 per inch
Flame Spread	ASTM E84	0
Smoke Development	ASTM E84	0
Water Vapor Permeance Facing	ASTM E96	Unfaced, 50 perms as tested
Water Vapor Sorption	ASTM C1104	Absorbs 0.03% by volume
Odor Emission	ASTM C1304	Pass
Corrosiveness	ASTM C665	Pass
Fungi Resistance	ASTM C1338	Pass
Combustion Characteristics	ASTM E136	Pass
	ASTM C612	Type IA, IB, II, III, IVA, IVB
	ASTM C356	Linear shrinkage < 2% 1200° F (650° C)
	ASTM C1335	Shot content less than 25%

JM CladStone Water & Fire Block

JM Mineral Wool

JM Mineral Wool Product Properties

JM Mineral Wool Product Properties
(short version)

JM Overview Video

JM CI and Building Science

(webinar)

JM Continuous Insulation and Building Science

Available Documents

Sound & Fire Block Mineral Wool

Made from high-density, noncombustible material, Johns Manville Sound & Fire Block® mineral wool helps delay the spread of fire between interior floors and rooms.

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Data Sheet

SDS

Product Guide

Johns Manville Sound & Fire Block^® mineral wool batts are noncombustible and moisture-resistant. The high-density fibers in mineral wool help delay the spread of fire and reduce noise transfer in interior walls and between ceilings and floors.

Advantages

Sound Control: Absorbs sound and improves wall assembly STC ratings by up to 10 dB.
Fire-Resistant: Melting point in excess of 2000˚F (1093˚C). Flame Spread of 0 and Smoke Developed of 0.
Durable Inorganic Glass: No growth of fungi. No sustaining of vermin.

ASTM Standards	ASTM C665	Type I
Flame Spread	ASTM E84	0
Smoke Development	ASTM E84	0
Critical Radiant Flux	ASTM E970	> 0.12 W/cm² (0.11 Btu/ft²s)
Water Vapor Sorption	ASTM C1104	5% or less by weight
Odor Emission	ASTM C1304	Pass
Corrosiveness	ASTM C665	Pass
Fungi Resistance	ASTM C1338	Pass
Combustion Characteristics	ASTM E136	Pass

Data Sheet

Sound & Fire Block Data Sheet

SDS

TempControl SDS
TempControl SDS (ES)

Limited Warranty

Mineral Wool Limited Warranty

Literature

Product Selector Guide
Mineral Wool Product Comparison Chart
Mineral Wool 2.0 Sell Sheet
MinWool Typical Sound Barrier Assemblies

Specifications and Certificates

Mineral Wool Environmental Product Declaration (Light Density)
Mineral Wool Environmental Product Declaration (Heavy Density)

JM Mineral Wool

JM Mineral Wool Product Properties

JM Mineral Wool Product Properties
(short version)

JM Overview Video

Available Documents

TempControl Mineral Wool

Designed to help delay the spread of fire, Johns Manville Mineral Wool TempControl® Batts offer thermal control for wood-stud cavities of exterior walls, basements and heated crawlspaces.

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Data Sheet

SDS

Product Guide

Johns Manville Mineral Wool TempControl^® batts offer R-Values up to R-30. Noncombustible, fire- and moisture-resistant, they are designed to deliver thermal control and delay the spread of fire in wood-stud cavities of exterior walls, basements and heated crawlspaces.

Advantages

Thermally Efficient: Effective resistance to heat transfer with R-values up to R-30.
Fire-Resistant: Melting point in excess of 2000˚F (1093˚C). Flame Spread of 0 and Smoke Developed of 0.
Durable Inorganic Glass: No growth of fungi. No sustaining of vermin.

ASTM Standards	ASTM C665	Type 1
Thermal Resistance	ASTM C518	R-15, R-23, R-30
Flame Spread	ASTM E84	0
Smoke Development	ASTM E84	0
Critial Radiant Flux	ASTM E970	> 0.12 W/cm² (0.11 Btu/ft²s)
Water Vapor Sorption	ASTM C1104	5% or less by weight
Odor Emission	ASTM C1304	Pass
Corrosiveness	ASTM C665	Pass
Fungi Resistance	ASTM C1338	Pass
Combustion Characteristics	ASTM E136	Pass