Rockwool RWA45 1200 x 600mm

ROCKWOOL RWA45 Slab Insulation – High-Performance Acoustic & Thermal Solution

The ROCKWOOL RWA45 slab insulation is a premium acoustic and thermal insulation solution, designed to improve soundproofing, fire resistance, and energy efficiency across a range of construction applications. Manufactured from non-combustible stone wool, this rockwool rwa45 acoustic slab provides superior sound absorption, making it ideal for partition walls, floors, ceilings, and industrial projects requiring enhanced noise control.

With its dense, semi-rigid composition, this insulation is easy to install, resistant to moisture, and maintains its performance over time. Whether you’re working on residential, commercial, or industrial projects, this RWA45 rockwool slab insulation ensures the highest standards of acoustic comfort, fire safety, and energy efficiency.

What is ROCKWOOL RWA45?

The ROCKWOOL RWA45 slab is a high-quality insulation product made from natural volcanic rock, spun into fibres to create a dense and durable insulation slab. It is engineered to provide multi-functional insulation, offering exceptional soundproofing, thermal resistance, and fire protection.

The slabs are available in multiple thicknesses and are widely used in:

• Partition walls and internal walls – To prevent sound transfer and maintain privacy.
• Ceilings and floors – To reduce airborne noise between levels.
• Roof insulation – Providing both thermal and acoustic benefits.
• Industrial and plant rooms – Offering fire-resistant and sound-absorbing properties.
• Commercial buildings and offices – Ensuring improved acoustic performance and comfort.

Why Choose ROCKWOOL RWA45 Slab Insulation?

ROCKWOOL is a globally recognised brand known for producing high-performance stone wool insulation that meets the highest safety and efficiency standards. By choosing RWA45 rockwool slab insulation, you’re investing in:

• Superior Acoustic Performance – Effectively absorbs sound waves, minimising noise transfer.
• Thermal Efficiency – Helps retain heat, improving energy performance and reducing heating costs.
• Fire Resistance – Achieves Euroclass A1 non-combustible rating, the highest standard for fire safety.
• Moisture Resistant & Vapour Permeable – Prevents dampness and condensation issues.
• Durable & Long-Lasting – Maintains shape and effectiveness over time.
• Easy to Install – Semi-rigid slabs are lightweight, flexible, and simple to cut and fit.

Applications of ROCKWOOL RWA45 Acoustic Slabs

1. Partition Wall Insulation
The ROCKWOOL RWA45 acoustic slab is perfect for partition walls in both domestic and commercial buildings. It prevents airborne sound transmission, making spaces quieter and more comfortable.

2. Floor Insulation
Installing RWA45 rockwool slab insulation between floors reduces impact noise, preventing sound from travelling between levels in multi-storey buildings.

3. Ceiling Soundproofing
By using ROCKWOOL RWA45 acoustic insulation in ceilings, you can absorb sound reflections, reducing noise disturbance in offices, schools, and apartment buildings.

4. Industrial & Plant Room Insulation
Its high-density structure makes it ideal for use in mechanical and plant rooms, helping to reduce noise from machinery while improving fire safety.

5. Roof Insulation
Provides thermal and acoustic insulation for flat and pitched roofs, contributing to energy efficiency and noise reduction.

Easy Installation & Handling

The ROCKWOOL RWA45 slab insulation is designed for quick and easy installation, making it a preferred choice for builders, architects, and DIY enthusiasts. The slabs can be cut with a standard insulation saw or knife and fit snugly between joists, studs, or rafters. Their semi-rigid nature allows them to be compressed slightly for a friction fit, reducing the need for additional fixings.

Technical Specifications

• Material Composition: Manufactured from stone wool, derived from natural volcanic rock.
• Fire Performance: Rated Euroclass A1 non-combustible, ensuring the highest level of fire resistance.
• Acoustic Performance: Highly effective at absorbing airborne noise, improving soundproofing.
• Thermal Conductivity: Achieves a thermal conductivity rating of 0.035 W/mK, enhancing energy efficiency.
• Moisture Resistance: Water-repellent, preventing dampness and condensation build-up.
• Slab Dimensions:
  • Standard size: 1200mm x 600mm
  • Available thicknesses: 25mm to 230mm
• Density: Nominal 45kg/m³, ensuring excellent sound absorption and thermal insulation.
• Weight: Lightweight for easy handling and installation.
• Installation Method: Can be friction-fitted between stud walls, floors, and ceilings for a secure fit.