Rockwool Sound Insulation Slab 75mm x 400 x 1200mm

🚨 SALE – DON’T MISS OUT

Take your soundproofing to the next level with Rockwool 75mm Sound Insulation Slabs — engineered to trap sound waves, reduce vibration, and create quieter, more comfortable spaces.

Manufactured from high-density stone wool, these slabs deliver exceptional acoustic performance, outstanding fire resistance, and long-term durability. Perfect for residential and commercial projects where noise control matters.

Whether you’re upgrading a home office, insulating stud walls, or improving floor acoustics, Rockwool provides reliable, professional-grade results every time.

⭐ Key Benefits

✅ Outstanding sound reduction
✅ Euroclass A1 non-combustible (withstands 1000°C+)
✅ Moisture repellent & vapour permeable
✅ Easy to cut and friction fit with FLEXI edge
✅ Long-lasting performance
✅ Suitable for walls, floors & lofts

📦 Product Specifications

Brand: Rockwool

order todayTypical specification (RWA45 75 mm)

Thickness: 75 mm

Slab size: 1200 mm × 600 mm

Slabs per pack: usually 6 slabs

Coverage per pack: about 4.32 m²

Density: about 45 kg/m³

Thermal conductivity: ~0.035 W/mK

Fire rating: Euroclass A1 (non-combustible)
What it’s used for

75 mm Rockwool slabs are commonly used for:

Timber or metal stud walls

Partition walls for soundproofing

Floors and ceilings

Pitched roofs and framed structures

Key benefits

Excellent acoustic insulation (good for sound reduction)

Strong thermal insulation to reduce heat loss

Fire-resistant mineral wool

Water-repellent and rot resistant

Easy to cut and friction-fit between studs

💷 Typical UK price:
(4.32 m²) depending on supplier and density.

✅ If you want, I can also tell you:

Best place to buy 75 mm Rockwool near London

How many packs you need for your wall or loft size

Difference between RW3, RW5, and RWA45 (very important before buying).