- Panel Dimensions: Width: 44″ (1,118 mm) Height: 24″ (609 mm)
- Thickness Range: 1½″ to 7″ (38 mm to 180 mm)
- Density: 3.75 – 7.49 lbs/ft³ (60 – 120 kg/m³) per ASTM C303
- Fire Performance:
Flame Spread Index: 0
Smoke Developed Index: 0
Tested per ASTM E84 - Thermal Performance:
R-Value per inch: R-4.05 hrft²°F/Btu
Tested per ASTM C518 - Water Absorption:
Short Term: ≤ 0.20 lbs/ft²
Long Term: ≤ 0.61 lbs/ft²
Stone Wool Insulation
We offer high-performance basalt wool insulation designed for ventilated façade systems, delivering superior thermal, fire, acoustic, and moisture protection. Manufactured from natural basalt rock fibers, this non-combustible insulation provides exceptional fire resistance (Flame Spread 0 / Smoke 0), stable thermal performance, and long-term durability exceeding 50 years. With excellent R-values, high sound absorption, resistance to moisture, mold, and pests, basalt wool insulation is an ideal solution for modern commercial and residential façades where safety, efficiency, and longevity are critical
R-Value by Thickness
1½″ (38 mm): R-6.1
2″ (50 mm): R-8.1
2½″ (65 mm): R-10.1
3″ (75 mm): R-12.1
4″ (100 mm): R-16.2
5″ (130 mm): R-20.2
6″ (150 mm): R-24.3
7″ (180 mm): R-28.3
Lead time including manufacturing and shipping to the USA is approximately 2.5 months.
ASTM E-84 Basalt