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Rockwool Insulation Boards

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Rockwool 100mm RWA45 Acoustic Sound Insulation Slabs

Rockwool 100mm RWA45 Acoustic Sound Insulation Slabs

Rockwool RWA45 Acoustic Insulation Slabs 100mm – 1200mm x 600mm (Pack of 4) Product Number:..

£37.99 Inc. VAT £31.66 Exc. VAT

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Rockwool 50mm RWA45 Acoustic Sound Insulation Slabs

Rockwool 50mm RWA45 Acoustic Sound Insulation Slabs

Rockwool RWA45 Acoustic Insulation Slabs 50mm – 1200mm x 600mm (Pack of 9) Product Number: ..

£48.04 Inc. VAT £40.03 Exc. VAT

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Rockwool RS45 Foiled Insulation Slab 50mm

Rockwool RS45 Foiled Insulation Slab 50mm

Rockwool RS45 Foiled Insulation Slabs 50mm – 1200mm x 600mm (Pack of 9) Product Number: JCS..

£86.10 Inc. VAT £71.75 Exc. VAT

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Rockwool RS45 Foiled Insulation Slab 75mm

Rockwool RS45 Foiled Insulation Slab 75mm

Rockwool RS45 Foiled Insulation Slabs 75mm – 1200mm x 600mm (Pack of 6) Product Number: JCS..

£71.70 Inc. VAT £59.75 Exc. VAT

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Rockwool RW3 100mm Acoustic Sound Insulation Slabs

Rockwool RW3 100mm Acoustic Sound Insulation Slabs

Rockwool RW3 Acoustic Insulation Slabs 100mm – 1200mm x 600mm (Pack of 4) Product Number: J..

£59.81 Inc. VAT £49.84 Exc. VAT

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Rockwool RW3 50mm Acoustic Sound Insulation Slabs

Rockwool RW3 50mm Acoustic Sound Insulation Slabs

Rockwool RW3 Acoustic Insulation Slabs 50mm – 1200mm x 600mm (Pack of 8) Product Number: JC..

£55.43 Inc. VAT £46.19 Exc. VAT

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Rockwool Insulation Boards

Rockwool Insulation Boards

Rockwool insulation boards are a trusted choice for thermal, acoustic, and fire protection across walls, floors, and ceilings. Manufactured from stone wool, these high-density slabs are widely used as Rockwool sound insulation, combining energy efficiency, noise reduction, and non-combustible safety performance.

These products form part of our wider insulation boards range, covering solutions for walls, floors, and suspended ceilings.

✔ High Acoustic & Fire Performance
Rockwool boards provide industry-leading sound absorption and non-combustible fire protection.

Rockwool Insulation Boards Explained

At Judge Ceilings we supply a wide range of Rockwool insulation products, including cavity batts for external wall applications and general insulation boards for floors, partitions, and roof systems.

The popular Rockwool RW3 range is available in multiple thicknesses, allowing you to match insulation performance to your project requirements.

Thermal Performance

Rockwool insulation boards achieve a typical thermal conductivity of 0.037 W/mK, helping reduce heat loss and support compliance with Part L of Building Regulations.

Acoustic Performance

As a leading Rockwool sound insulation solution, the dense stone wool fibres absorb sound and dampen vibration, reducing noise transfer between rooms and from external sources.

Fire Safety

Rockwool boards are Euroclass A1 non-combustible, the highest fire rating available, making them suitable for use in high-performance wall, floor, and ceiling systems.

Why Choose Rockwool Boards?

  • High-density stone wool for long-term stability
  • Excellent thermal performance (λ 0.037 W/mK)
  • Outstanding acoustic absorption
  • Industry-leading fire resistance (Euroclass A1)
  • Widely used in commercial and residential builds

Common Applications

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Installation

Rockwool boards are easy to install within walls, floors, and suspended ceilings. They are commonly used in drylining and partition systems.

Combine with stud and track systems or MF ceiling systems.

Trade Discounts

Open a trade account for bulk pricing on Rockwool insulation boards.

Rockwool Insulation Boards? It pays to trust the Judge.

Frequently Asked Questions

What are Rockwool insulation boards used for?

They are used in walls, ceilings, floors, and partitions to provide thermal, acoustic, and fire performance.

Are Rockwool boards fire resistant?

Yes, they are Euroclass A1 non-combustible and provide the highest level of fire protection.

Do Rockwool boards reduce noise?

Yes, they absorb sound and reduce vibration, making them ideal for acoustic insulation.

What sizes are available?

Typically supplied in 1200x600mm slabs in various thicknesses such as 50mm, 75mm, and 100mm.

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