PowerWool CurtainBoard™ – the premier choice for curtain wall and perimeter containment systems.
PowerWool CurtainBoard was designed as semi-rigid, exterior mineral wool insulation material for increased fire protection in curtain wall systems.
| CHARACTERISTIC | RESULT | TEST STANDARD | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Compliance |
Mineral Fiber Block and Board Thermal Insulation – Compliant Mineral Fiber Thermal Insulation for Buildings – Compliant |
ASTM C612 CAN/ULC S702.1 |
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| Reaction to Fire |
Flame spread index = 0; Smoke developed index = 0 Flame spread index = 0; Smoke developed index = 0 Determination of Non Combustability of Building Materials – Non Combustible Behaviour of materials at 750°C – Non Combustible |
ASTM E84 (UL 723) CAN/ULC S102 CAN/ULC S114 ASTM E136 |
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| Density | 8 lbs/ft³ (128 kg/m³) – Nominal | ASTM C303 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dimensional Stability | Linear Shrinkage = Pass @1200°F (650°C) | ASTM C356 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Corrosion Resistance | Corrosion of Steel – Passed | ASTM C665 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Thermal Resistance |
R-Value / inch @ 75°F — 4.2 hr.ft².F/Btu RSI value / 25.4 mm @ 24°C — 0.74 m²K/W |
ASTM C518 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reaction to Moisture |
Moisture Sorption – Pass Water Vapor Transmission, Desiccant Method – 1670ng/Pa.s.m² (29 perm) Determination of Fungi Resistance – Passed |
ASTM C1104 ASTM E96 ASTM C1338 |
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| Dimensions |
1½” (38 mm) to 6″ (152.4 mm) in ½” increments 16″ × 48″ (406 mm × 1219 mm) 24″ × 48″ (610 mm × 1219 mm) |
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| Acoustic Performance |
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ASTM C423-23 ASTM E795-23 |
Non-combustible mineral wool insulation, rated zero flame spread and zero smoke developed, for maximum safety in demanding environments.
