Alpharock Premium rock wool insulation board – 135 × 40 × 4 cm

The uncoated, semi-rigid stone wool panel Alpharock Premium (Rockwool) measuring 135 × 40 × 4 cm provides excellent thermal and acoustic insulation for partition walls, ceilings, or interior cladding. It is non-combustible (Euroclass A1), dimensionally stable, vapor-permeable, and energy-saving.
Ready for shipment within 24 hours after payment receipt

Dimensions: 135 cm length × 40 cm width × 4 cm thickness

Material: Stone wool (Rockwool), uncoated, semi-rigid

Density: 70 kg/m³

Thermal conductivity (λ): 0.033 W/m·K; R-value: 1.20 m²·K/W

Reaction to fire: Euroclass A1 – non-combustible

Weight: 1.512 kg net

Application: Ideal for thermal insulation and soundproofing in interiors such as partition walls, suspended ceilings, or insulated facades

Special features: Excellent insulation performance, dimensionally stable, fireproof, energy-saving

Weight: approx. 1.512 kg net per piece

Origin: Spain | Brand: ROCKWOOL

Special advantages:
– First-class fire and sound protection
– Easy handling and quick installation
– Energy-efficient insulation (R = 1.20 m²·K/W)