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75mm Rockwool RW3 Slab Insulation 1200mm x 600mm

75mm Rockwool RW3 Slab Insulation 1200mm x 600mm

  • Insulation King

  • Free Next Day Delivery (over £500) in the West Midlands
  • Free Standard Delivery (over £500)
  • View our guides for Help & Advice
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🚛 Next Day Delivery (West Midlands) – FREE on orders over £500

• 75mm Rockwool RW3 Slab Insulation — rigid mineral wool boards for superior thermal performance

• Dimensions: 1200mm x 600mm per slab

 • Thermal Conductivity (λ): 0.035 W/mK

• U-Value (75mm): 0.46 W/m²K • Density: 30 kg/m³

• Fire Rating: Euroclass A1 (non-combustible)

 • Specific Applications: Cavity wall insulation, pitched roof insulation, flat roof insulation, and timber frame construction

 • Compressive Strength: ≥10 kPa

• Water Vapour Resistance: Open structure — allows vapour transmission

Available in Single Pack: 4.32 sqm Individual slab purchase for smaller projects

• Available in Pallet Quantity: Bulk purchasing for larger installations (12 Packs per pallet)— cost-effective for commercial and residential builds

• Easy to cut and fit between timber joists and studs

 Excellent acoustic properties as secondary benefit

 • Durable and long-lasting performance

 

DELIVERY INFORMATION

  • FAST RELIABLE UK DELIVERY 
  • STANDARD DELIVERY - 1 TO 3 WORKING DAYS
  • FREE DELIVERY ON ORDERS OVER £500
  • PALLET DELIVERY AVAILABLE
  • NEED IT URGENTLY? CONTACT US FOR EXPRESS OPTIONS

 

PALLET DEALS AVAILABLE - CALL FOR BEST PRICE

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Frequently Asked Questions

Free shipping will automatically be applied to all orders over £500. Simply add over £500 to your cart and you will see the discount while checking out.

Orders under £500 - £50 charge.
Over £500 is free.

We typically deliver orders within 2-3 business days of ordering.

Orders for the West Midlands will be completed in 1 to 2 working days.

Orders for areas out of the West Midlands will be completed in 3 to 4 working days.

Orders made after 5pm will be processed on the following working day.

Our deliveries are typically made between 8am and 5pm, Monday - Friday excluding Bank Holidays (Great Britain).

We are unable to offer timed deliveries.

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