Why Use RigiBoard™?

RigiBoard™ 80 is a continuous, non-structural and noncombustible rigid mineral wool insulation.

PowerWool™ RigiBoard™ 80 is a continuous, non-structural and noncombustible rigid mineral wool insulation sheathing board designed to increase the effective thermal value of exterior walls. Rigiboard™ 80 is an ideal choice for lightweight claddings and structures including combustible assemblies.

Density RESULT TEST STANDARD
Density 8 lbs/ft³ (128 kg/m³) CAN/ULC S702.1
Compression Resistance 616 psf (29.5 kPa) @ 10% Deformation ASTM C165-07 (2017)
Thermal Resistance R value/inch @ 75°F = 4.2 ft²·F/Btu (min) RSI value/25.4 mm @ 24°C = 0.74 m²K/W (min) ASTM C518-17
ASTM C518-17
Maximum Service Temperature Hot Surface Performance: 1200°F (650°C) ASTM C411
Non-Combustibility Pass CAN/ULC S114-05 (2018)
Surface Burning Characteristics Flame Spread Classification = 0 (Pass) Smoke Developed = 0 (Pass) CAN/ULC S102-16
CAN/ULC S102-16
Smolder Resistance Mean Mass Loss, % = 0 (Pass) Mass Loss Each Specimen, % = 0 (Pass) CAN/ULC S129-15
Water Vapour Permeance, Desiccant Method 2029 ng/Pa·s·m² (35.6 perm) (at 38 mm (1.5”) thickness) ASTM E96M-16
Water Vapor Sorption 0.05% ASTM C1104-13A
Fungi Resistance Pass ASTM C1338-08
Water Vapor Sorption Pass ASTM C665-17
Dimensional Stability / Linear Shrinkage Pass ASTM C356-17
Acoustic Performance
125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz NRC SAA
1.5” 0.14 0.59 1.01 1.04 0.99 1.03 0.90 0.91
2” 0.29 0.93 1.06 1.00 0.98 1.04 1.00 0.99
2.5” 0.46 1.06 1.11 1.03 0.99 0.99 1.05 1.04
3” 0.69 0.99 1.01 0.99 0.98 1.00 1.00 0.99
4” 0.98 0.93 0.98 0.99 0.99 0.99 0.95 0.97
ASTM C423-23
ASTM E795-23

Choose PowerWool for superior fire protection.

Non-combustible mineral wool insulation, rated zero flame spread and zero smoke developed, for maximum safety in demanding environments.​

Ready to spec RigiBoard on your next project, or want to learn more?