COMFORTBOARD
Wood Stud Steel Stud Underslab floor Continuous Insulation Basement Wall Exterior Insulated Below Grade Wood Frame Construction Insulation

COMFORTBOARD™ 80

ROCKWOOL COMFORTBOARD™ 80 is a rigid mineral wool insulation sheathing board that is non-combustible, water-repellent, fire-resistant and sound absorbent. COMFORTBOARD™ 80 is an exterior non-structural insulation sheathing that provides a continuous layer of insulation around the residential building envelope.

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ROCKWOOL COMFORTBOARD™ 80 is a rigid mineral wool insulation sheathing board that is non-combustible, water-repellent, fire-resistant and sound absorbent

COMFORTBOARD™ 80 is an exterior non-structural insulation sheathing that provides a continuous layer of insulation around the residential building envelope.

This product is specifically engineered as exterior non-structural insulation sheathing for high performance residential wall systems.

Properties:

  • Can be easily cut with a bread knife
  • Non-combustible with a melting point of approximately 1177°C  (2150°F)
  • Excellent sound absorbency
  • Vapor permeable
  • Does not rot or promote the growth of fungi or mildew 
  • Low moisture sorption
  • Chemically inert; non-corrosive
  • Water-repellent
  • CFC- and HCFC-free product and process
  • Made from natural & recycled materials
  • 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 - 8 lb/ft³ (128 kg/m³)
Dimensions
24" x 48" (610 mm x 1219 mm)
36" x 48" (914 mm x 1219 mm)
48" x 72" (1219 mm x 1829 mm)
48" x 96" (1219 mm x 2438 mm)
Thickness
1.25" (31.8 mm)
1.5" (38.1 mm)
2" (50.8 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 hr.ft2.F/Btu

RSI value / 25.4 mm @ 24ºC - 0.70 m2K/W 

   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
1.5" 0.21 0.64 0.92 1 0.95 1.01 0.9
2" 0.43 0.78 0.9 0.97 0.97 1 0.9
3" 0.75 0.82 0.89 0.94 1 1 0.9
Reaction to moisture ASTM C1104 - ASTM E96 - ASTM C1338
ASTM C1104 Moisture Sorption - 0.05%
ASTM E96 Water Vapor Transmission, Desiccant Method - 1768 ng/Pa.s.m2 (31 perm)
ASTM C1338 Determination of Fungi Resistance - Passed
Compressive strength ASTM C165
ASTM C165 439 psf (21 kPa) @ 10% compression
  1065 psf (50 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
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 - 8 lb/ft³ (128 kg/m³)
Back
24" x 48" (610 mm x 1219 mm)
36" x 48" (914 mm x 1219 mm)
48" x 72" (1219 mm x 1829 mm)
48" x 96" (1219 mm x 2438 mm)
Back
1.25" (31.8 mm)
1.5" (38.1 mm)
2" (50.8 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 hr.ft2.F/Btu

RSI value / 25.4 mm @ 24ºC - 0.70 m2K/W 

   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
1.5" 0.21 0.64 0.92 1 0.95 1.01 0.9
2" 0.43 0.78 0.9 0.97 0.97 1 0.9
3" 0.75 0.82 0.89 0.94 1 1 0.9
Back
ASTM C1104 Moisture Sorption - 0.05%
ASTM E96 Water Vapor Transmission, Desiccant Method - 1768 ng/Pa.s.m2 (31 perm)
ASTM C1338 Determination of Fungi Resistance - Passed
Back
ASTM C165 439 psf (21 kPa) @ 10% compression
  1065 psf (50 kPa) @ 25% compression
Back
ASTM C795 Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
ASTM - C665 Corrosion of Steel - Passed
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Tools, Guides & Downloads

 

 

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COMFORTBOARD 80 Non-Structural Sheathing Continuous Insulation - Techdata
COMFORTBOARD 80 Non-Structural Sheathing Continuous Insulation - Techdata

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Mid-Rise Wood Frame Construction Guide
Mid-Rise Wood Frame Construction Guide

This guide identifies several common locations where ROCKWOOLTM insulation can be used effectively in mid-rise wood construction.

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ComfortBoard 80 Installation Guide - Technical Guide
ComfortBoard 80 Installation Guide - Technical Guide

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Thermal Barrier Solutions - Technical Bulletin
Thermal Barrier Solutions - Technical Bulletin

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ROCKWOOL Cladding Attachment and Support Details
ROCKWOOL Cladding Attachment and Support Details

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COMFORTBOARD 80 072113 BOARD INSULATION GUIDESPEC EN US
COMFORTBOARD 80 072113 BOARD INSULATION GUIDESPEC EN US

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COMFORTBOARD 80 072113 BOARD INSULATION GUIDESPEC EN CA
COMFORTBOARD 80 072113 BOARD INSULATION GUIDESPEC EN CA

COMFORTBOARD COMFORTBATT Doug Tarry Homes Optimum Basement Wall Case Study
COMFORTBOARD COMFORTBATT Doug Tarry Homes Optimum Basement Wall Case Study

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Safe Use Instruction Sheet
Safe Use Instruction Sheet

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