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CONROCK® 60 is a ROXUL board insulation designed specifically for application in sandwich panel systems where acoustic properties are required. This rigid board has excellent acoustical dampening properties which features a non-directional fibre structure that dissipates sound waves for a quieter environment. Most recently, CONROCK® 60 has been used in a number of acoustic panel applications. As with all ROXUL products, it has excellent fire properties, is dimensionally stable, vapor permeable and will not encourage the growth of mold.


  • Non-combustible stone wool insulation with melting point of approx. 1177°C (2150°F)
  • Does not promote smoke or flame spread when exposed to flame
  • Denser composition provides excellent sound control
  • Outstanding thermal resistance
  • Dimensionally stable
  • Water and moisture resistant
  • Does not promote growth of fungi or mildew
  • Can contribute to earning LEED® points – Please speak to a ROXUL LEED® Accredited Professional
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Technical Information

Property Test Standard Performance
Compliance and Performance ASTM C 612 Mineral Fiber Block and Board Thermal Insulation Type IVB, Complies
Reaction to Fire CAN4 S114 Test for Non-Combustibility Non-Combustible
Reaction to Fire ASTM E 84(UL 723) Surface Burning Characteristics Flame Spread = 5 Smoke Developed = 10
Reaction to Fire CAN/ULC S102 Surface Burning Characteristics Flame Spread = 5 Smoke Developed = 10
Acoustic Performance ASTM C423 Moisture Resistance: Moisture Sorption 0.07%
Dimensional Stability ASTM C 356 Linear Shrinkage 0.22 %
Thermal Resistance ASTM C 518 (C 177) R-value/inch @ 75°F 4.2 hr.ft².F/Btu*** RSI value/25.4 mm @ 24°C 0.74 m²K/W
Corrosion Resistance ASTM C 665 Corrosiveness to Steel Passed
Corrosion Resistance ASTM C 795 **** Stainless Steel Stress Corrosion Specification as per Test Conforms
Corrosion Resistance ASTM C 795 **** Methods C871 and C692: U.S. Nuclear Regulatory Commission, Reg. Guide #1.36: U.S. Military Specifications MIL-I-24244 (all versions including B and C)
Acoustical Performance ASTM C423 CO-EFFICIENTS AT FREQUENCIES Thickness 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz NRC
Acoustical Performance ASTM C423 3.0” 0.78 0.89 1.04 0.98 1.01 1.02 1.00
Acoustical Performance ASTM C 1104 4.0” 1.00 0.95 1.06 1.04 1.06 1.08 1.05
Compressive Strength ASTM C 165 at 10% 196 psf (9.4 kPa)
Compressive Strength ASTM C 165 at 25% 547 psf (26.2 kPa)
Density ASTM C 612 6.0 lbs/ft3 96 kg/m3
Dimensions For details on sizing, please contact our customer service representatives
Key Application Qualifiers: • Excellent sound properties • Fire resistant • Dimensionally (thermally) stable • High impact resistance • Low moisture sorption • Excellent thermal resistance • Does not off gas • Non-corrosive • Chemically inert • Cost effective • HCFC free product and process • Made from natural & recycled materials
Other ROXUL Products Please consult ROXUL for all your insulation needs. We have an extensive range of products for all applications from pipe insulation to commercial products to residential batts. ROXUL invites all inquiries and will act promptly to service all of your requirements.
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