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COMFORTBOARD
Exterior Walls Insulation Continuous Insulation Wood Frame Construction Insulation Steel Stud

COMFORTBOARD™ 110

COMFORTBOARD™ 110 is a rigid, high-density, non-combustible, stone wool insulation board designed for use as an exterior continuous insulation in commercial applications. 

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COMFORTBOARD™ 110 is a rigid, high-density, non-combustible, stone wool insulation board

COMFORTBOARD™ 110 is designed for use as an exterior continuous insulation in commercial applications.

COMFORTBOARD™ 110 is a thermally efficient, moisture-resistant, vapor permeable board and takes the place of other external sheathing insulations to create high-performance wall assemblies. These assemblies are effective against fire, moisture and thermal bridging, and allow for superior drying potential.

Properties:

  • Vapor Permeable
  • Fire-resistant, non-combustible product with a melting point of approximately 2150°F (1177°C)
  • Environmentally Sustainable
  • Moisture-resistant
  • Stable long-term R-value
  • Dimensionally stable
  • UV-resistant
  • Sound absorbent
  • ROCKWOOL™ can contribute to earning LEED® points
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Specification & sizes

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Compliance ASTM C612 - CAN/ULC S702
ASTM C612 Mineral Fiber Block and Board Thermal Insulation - Type IVB Compliant
CAN/ULC S702 Mineral Fiber Thermal Insulation for Buildings - Type 1 Compliant
Density ASTM C303
ASTM C303

Actual Density - 11 lb/ft³ (176 kg/m³)

Dimensions
24"x48" (610 mm x 1219 mm) 
48"x72" (1219 mm x 1829 mm)
Thickness
1" (25.4 mm)
1.25" (32 mm)
2" (50.8 mm)
2.5" (63.5 mm)
3" (76.2 mm)
Reaction to fire ASTM E84 (UL 723) - CAN/ULC S102 - CAN/ULC S114
ASTM E84 (UL 723) Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S102 Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S114 Determination of Non-Combustibility of Building Materials - Non-Combustible
Thermal resistance ASTM C518 (C177)
ASTM C518 (C177) R-value / inch @ 75ºF - 4.0 hr.ft2.F/Btu
ASTM C518 (C177) RSI value / 25.4 mm @ 24ºC - 0.70 m2K/W
Acoustical Performance ASTM C423
Thickness 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz NRC
1" 0.13 0.49 0.85 0.89 0.89 0.97  0.8
2" 0.5 0.71 0.85 0.9 0.96 1.01 0.85
Reaction to moisture ASTM C1104 - ASTM E96 - ASTM C209 - ASTM C1338
ASTM C1104 Moisture Sorption - 0.28%
ASTM E96 Water Vapor Transmission, Desiccant Method - 2160 ng/Pa.s.m2 (35 perm)
ASTM C209 Water Absorption - 1.2%
ASTM C1338 Determination of Fungi Resistance - Passed
Compressive strength ASTC C165
ASTC C165 584 psf (28 kPa) @ 10% compression
ASTC C165 1566 psf (75 kPa) @ 25% compression
Corrosion Resistance ASTM C795 - ASTM C665
ASTM C795 Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
ASTM C665 Corrosion of Steel - Passed
ASTM C665 Corrosion to Aluminum - Passed
Back
ASTM C612 Mineral Fiber Block and Board Thermal Insulation - Type IVB Compliant
CAN/ULC S702 Mineral Fiber Thermal Insulation for Buildings - Type 1 Compliant
Back
ASTM C303

Actual Density - 11 lb/ft³ (176 kg/m³)

Back
24"x48" (610 mm x 1219 mm) 
48"x72" (1219 mm x 1829 mm)
Back
1" (25.4 mm)
1.25" (32 mm)
2" (50.8 mm)
2.5" (63.5 mm)
3" (76.2 mm)
Back
ASTM E84 (UL 723) Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S102 Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S114 Determination of Non-Combustibility of Building Materials - Non-Combustible
Back
ASTM C518 (C177) R-value / inch @ 75ºF - 4.0 hr.ft2.F/Btu
ASTM C518 (C177) RSI value / 25.4 mm @ 24ºC - 0.70 m2K/W
Back
Thickness 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz NRC
1" 0.13 0.49 0.85 0.89 0.89 0.97  0.8
2" 0.5 0.71 0.85 0.9 0.96 1.01 0.85
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ASTM C1104 Moisture Sorption - 0.28%
ASTM E96 Water Vapor Transmission, Desiccant Method - 2160 ng/Pa.s.m2 (35 perm)
ASTM C209 Water Absorption - 1.2%
ASTM C1338 Determination of Fungi Resistance - Passed
Back
ASTC C165 584 psf (28 kPa) @ 10% compression
ASTC C165 1566 psf (75 kPa) @ 25% compression
Back
ASTM C795 Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
ASTM C665 Corrosion of Steel - Passed
ASTM C665 Corrosion to Aluminum - Passed
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