Rockwool RWA45 1200 x 600 x 100mm (2.88m²)

The Rockwool RWA45 Insulation Slab 100mm is a versatile stone wool insulation solution, ideal for thermal, acoustic, and fire protection across a range of building applications. With a high-density composition and durable structure, it offers long-term performance and easy installation in internal walls, floors, and ceilings.

Manufactured from naturally occurring volcanic rock, Rockwool RWA45 delivers excellent sound absorption, thermal insulation, and non-combustible fire safety — making it a reliable choice for both residential and commercial projects.

Features and Specifications

• Brand: Rockwool
• Product Type: RWA45 Insulation Slab
• Dimensions: 1200mm (L) x 600mm (W) x 100mm (T)
• Pack Coverage: 2.88m²
• Density: 45kg/m³
• Material: Stone mineral wool
• Thermal Conductivity: 0.035 W/mK
• Fire Classification: Euroclass A1 (non-combustible)
• Water Repellent: Yes
• Recyclable: 97% recyclable content

Benefits

• Outstanding acoustic insulation – reduces airborne noise between rooms, floors, and partitions.
• High fire resistance – non-combustible Euroclass A1 rating for maximum safety.
• Excellent thermal performance – improves energy efficiency and comfort.
• Rigid and easy to install – cut to size for a snug fit between studs and joists.
• Durable and long-lasting – retains shape and insulation properties over time.
• Sustainable choice – manufactured from natural, renewable materials.

Applications

• Internal partition and separating walls
• Floors and ceilings
• Acoustic panels and soundproofing systems
• Industrial and commercial buildings
• Roof spaces and plant rooms

Can Rockwool RWA45 be used for both sound and thermal insulation?
Yes, Rockwool RWA45 provides excellent performance in both sound absorption and thermal regulation, making it a multifunctional insulation solution.