Rockwool RW5 1200mm x 600mm (All Sizes) Cavity wall Insulation
Rockwool RW5 1200mm x 600mm (All Sizes) Cavity wall Insulation
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Rockwool RW5 (All Sizes)

SKU: RW530

Est Delivery between and .

Order now and get free delivery on all Rockwool orders over £300 ex vat.

Estimated Delivery Time Of 4 Weeks

These products are sold in pallet quantities only. Price Listed is per pallet. Please see pallet quantities below.

Thickness Sheets Per Pack Pack Coverage Packs Per Pallet
30mm 8 5.76m2 20
50mm 4 2.88m2 24
75mm 3 2.16m2 20
100mm 2 1.44m2 24


Rockwool RW5 is a cost-effective insulation slab, which delivers strong acoustic, thermal, and fire performance. Its versatility and ease of installation make it an ideal choice for partition walls, cavity walls, ceilings, floors, and roofs. Due to its versatile qualities, Rockwool RW5 insulation slab greatly enhances the longevity of your house. 

Rockwool Acoustic insulation slabs are found across a wide range of applications and can be tailored to specific building projects. Whatever your project is, RW5 will provide you with plenty of options to achieve excellent results.

In addition to its acoustic and thermal performance, using RW5 slabs in your house can also help in slowing down the spread of fire and limit fire damage. RW5 are manufactured using high-quality resin bonded slabs and have been designed specifically for thermal, acoustic, and fire performance in mind.

The longevity of RW5 slabs is  a big advantage as the quality of the insulation will not degrade over time, and will remain free of moisture, damp, and rot thanks to its water repellent properties. 

Rockwool RW5 offers a winning formula to those who are looking for an easy to use, lightweight insulation product without compromising on its sound absorbing and fire properties. For more information on this Rockwool product please consult the datasheet tab or get in touch with us.



  • Thermal Conductivity: 0.034 W/mK
  • Reaction to fire: Euroclass A1
  • Water repellent 
  • Density: 100kg/m³
  • Slab Size: 1200x600mm
  • Thicknesses: 30mm, 50mm, 75mm, 100mm



It is recommended to keep your RW5 indoors and off the ground to avoid unforeseen damages. In any case, you should always follow the manufacturer instructions which are displayed on each pack. 



All Rockwool insulation products are conceived with high environmental standards, that promote sustainability and recyclable resources. 

RW5 insulation slabs are manufactured to comply with BS EN 13162 and conform with ISO 14001

Length 1200mm
Width 600mm
Thermal Conductivity 0.034 W/mK
Material Type Rockfibre

Est Delivery between and .

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.

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