Rockwool RWA45 Insulation Slab

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  • Size of boards: 600 x 1200mm
  • Excellent thermal, acoustic and fire insulation
  • Suitable for a wide range of general building applications
  • Non-combustible
  • Water repellent
  • Dimensionally stable
  • Rockwool RWA45 Slabs are sold per pack

Rockwool RWA45 Slab

Rockwool RWA45 Slabs are intended for a wide range of building applications including acoustic, thermal and fire protection of partition walls, ceilings, floors and roofs. These high-quality resin bonded slabs are available in a wide range of thicknesses and densities to suit all requirements. 

Rockwool, also known as mineral wool, is very similar to fibreglass. Made from molten volcanic rocks, the material is produced by heating the volcanic rock within a large furnace, then spinning it into fibrous strands and compressing it into boards. As a vapour-permeable, A1 noncombustible insulation material, Rockwool is the insulation material of choice for architects and builders alike.

Rockwool products achieve a Euroclass A1 classification for non-combustibility – this is the highest rating that an insulation material can achieve. With fire-safety being of such importance, the Rockwool RWA45 Slab goes extra lengths to offer complete assurance against the threat of fire. With its ability to withstand temperatures of up to 1,000ºC (1,800ºF), the Rockwool insulation helps to effectively contain and prevent the spread of fire without producing any toxic emissions.

Rockwool RWA45 Slabs are ideal for soundproofing in partition walls. The open porous structure of the stone wool means that the boards are able to absorb and reduce the impact of sound, enabling homeowners to enjoy a comfortable, quiet internal environment. This is ideal for both the commercial and domestic sector.

RWA45 Slabs offer all-round performance with their robust form and water repellent qualities. They are also very easy to handle and install and are available with a range of facings (aluminium foil, black or white tissue) on request. 

Technical specification

  • Composition: mineral wool
  • Thermal conductivity: 0.035W/mK
  • Reaction to fire: Euroclass A1
  • Size of boards: 600 x 1200mm
  • Density: 45kg/m3
  • Weight: 14.58kg
  • Weight/m2: 2.25kg
  • R-value: 1.25m2K/W
  • Thicknesses available: 25mm, 30mm, 40mm, 50mm, 60mm, 75mm, 100mm

Coverage per pack

Thickness (mm) Boards per pack M2 per pack
25 16 11.52
30 15 8.64
40 12 8.64
50 9 6.48
60 8 5.76
75 6 4.32
100 4 2.88

Application

Rockwool RWA45 should be installed in accordance with the manufacturer’s installation guidelines – these should cover design and all aspects of the application of the insulation. 

Storage

Shelf life: please see the manufacturer’s date of expiry. Keep in a dry place, in the original packaging. Avoid excess heat or UV light exposure.

SKU: N/A
Thickness

25mm – 11.52m2, 30mm – 8.64m2, 40mm – 8.64m2, 50mm – 6.48m2, 60mm – 5.76m2, 75mm – 4.32m2, 100mm – 2.88m2

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