rockwool insulation
rockwool rwa45 slab
rockwool rwa45 floor

Rockwool RWA45

RWA45 from Rockwool is a 45kg per m3 dense volcanic rock insulation. Designed for use in a range of building projects where fire , acoustic and thermal properties are required. The Rockwool RWA45 insulation provides excellent acoustic, thermal and fire performance due to its density.
The Rockwool RW Slab range is certified to EN 13162. The RW range of which RWA45 is part of is made up of high quality resin bonded slabs in a variety of thicknesses and densities.

Easy to install and handle Rockwools RWA45 insulation slab is an excellent choice when choosing an insulation product for your project.

An ideal solution for use in partition walls , floors , roofs and ceilings where Euroclass A1 non combustible is required.

Using Rockwool RW range can reduce the risk of spread of fire in a building due to its great fire resistance.

Thermally RWA45 achieves a Lambda value of 0.035W/mK making it a thermally efficient insulant.

Rockwools RW product range offers excellent acoustic , fire and thermal insulation qualities. Along side this it is also water repellent, durable and cost effective.

Rockwool RW insulation consists of semi-rigid and rigid insulation slabs manufactured from high quality resin bonded volcanic rock slabs which are CE marked to EN 13162.

This dense rock insulation currently complies with all the requirements of non-combustible materials/products as defined in UK and Ireland Building Regulations.

One of the qualities of the Rockwool range of materials is that they are designed to reduce sound. This is achieved by obstructing the sound transmission through an element of the structure or by absorbing the sound into the surface. The fibres in the Rockwool absorb sound with high coefficients over a broad frequency range making it a great acoustic insulation.

The Rockwool RWA45 insulation range comes in different thicknesses from 25mm to 100mm and are made in slab sizes of 1200mm x 600mm.

For more information or prices on Rockwool RWA45 please call our national sales team on 01793 791010 or visit our online store.

SPECIFICATION: 1200 mm long
SIZE: 25mm – 100mm wide

Special offer
Rockwool RWA45
Price Per 4.32m2 Pack
Thick: 75mm
Only £25.80 + vat
Free delivery over £300 ex VAT
Quote: RWA075

Special offer
Rockwool RWA45
Price Per 2.88m2 Pack
Thick: 100mm
Only £21.00 + vat
Free delivery over £300 ex VAT
Quote: RWA075

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  • Mike Reynolds
    Mike Reynolds

    Fantastic Company. Helped with the order from start to finish. Even had an issue my end with the payment and they couldn't be more helpful.

  • Lacey Griffiths
    Lacey Griffiths

    Very happy with the service we received. Fantastic product at a fantastic price. Cant recommend Jason and the team highly enough. Ordered during Covid-19 when everything was slightly crazy and delayed and Jason called and said they had a lorry in our area so could deliver the very next day! Thank you guys for 5 star service, will be back in the future . All the best, Lacey. Travellers Finds Ltd

  • Julie Rhodes
    Julie Rhodes

    Good price, good product great service. Thank you