RW Slab
Slab Products


An all round performer

ROCKWOOL RW6 is a robust insulation solution for a range of general building projects as well as specialist specifications such as commercial, leisure, industrial and more. The insulation provides excellent acoustic, thermal and fire performance.


ROCKWOOL RW6 has been developed for thermal, acoustic and fire performance in a range of construction types. RW6 is made up of high-quality resin bonded slabs in a variety of thicknesses and densities. Specialist facings are available to order to meet the specifications of unique projects.

The ROCKWOOL slabs can be applied to an array of general building applications for acoustic and thermal insulation of partition walls, ceilings, floors and roofs. The multi-use solution is well suited for easy application throughout constructions.

RW6 is rated Euroclass A1 non-combustible, providing the highest level of fire performance. Using RW6 in ceilings, walls and floors can help to compartmentalise rooms, reducing fire spread and damage. 

RW6 insulation slabs achieve Lambda 0.035 W/mK and are available in three standard thicknesses from 50-100mm, with a density of 140 kg/m3.



Euroclass A1 Non-combustible

  • ROCKWOOL RW6 Insulation Slabs offer excellent thermal, acoustic and fire performance.
  • The slabs are easy to handle and install.
  • Rated Euroclass A1 non-combustible, RW6 offers the highest level of fire resistance.
  • RW6 is a durable insulation solution which will maintain high performance over the lifetime of the building. 
  • The water repellent qualities of the insulation prevent moisture build up, damp and rot.

Product Properties

Compliance BS EN 13162, ISO 14001
Reaction to fire Euroclass A1
Thermal conductivity 0.035 W/mK
Water repellent Water Repellent
Water vapour resistance Negligable

Product range and ancillaries

Item number External item number Country Thickness (mm) Width (mm) Length (mm) Pieces Per Pack Packs Per Pallet m² Per Pack m² Per Pallet
181206 181206 UK 50 600 1200 3 32 2.16 69.12
181207 181207 UK 75 600 1200 2 32 1.44 46.08
181208 181208 UK 100 600 1200 2 24 1.44 34.56

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