RW4
Test symbol ©!
1/1
Application(s)
- External Wall
- Twin Skin Metal Wall
- Internal Wall
- Drylining & Partitions
- Roof
- Standing Seam Roof
- Floors & Ceilings
Product description
The RW4 slabs can be used for acoustic and thermal insulation of partition walls, ceilings, floors and roofs. The product is rated Euroclass A1, non-combustible.
RW4 is available in three standard thicknesses from 50-100mm and can be supplied black or white tissue faced,or foil faced to one or both sides.
- Euroclass A1 in accordance with BS EN 13501-1 Reaction to Fire rating
- Thermal conductivity 0.034 W/mK
- CE marked in accordance with EN 13162:2012+A1:2015
- Density exceeds 10kg/m³ in accordance with Approved Document E
Areas of application
RW4 slabs are suitable for use on the following construction types:
- Flat roofs
- Partition walls
- Separating walls
- Intermediate floors
Documentation
Please select and download the documentation pertaining to this product. If you require any certification that is not listed here, please contact us via ukdocumentation@rockwool.com
ROCKWOOL Slabs Datasheet
ROCKWOOL® Slabs are made from stone wool and provide thermal, fire and acoustic insulation for various applications
ROCKWOOL Stone Wool BSI Kitemark Certificate
Certificate No. km06661-bs-en-13162-2012-a1-2015
ROCKWOOL Slabs Installation Guide
Installation guidelines for ROCKWOOL Slab Products RW3 RW4 RW5 RW6 RWA45
SUIS ROCKWOOL UK
Safe use instruction sheet ROCKWOOL stone wool insulation products
Republic of Ireland (ROI) Price List
Republic of Ireland Price List July 2026
Certificates
Product properties
| Name | Value | Unit |
|---|---|---|
| Declared thermal conductivity | 0.034 | W/mK |
| Reaction to Fire | A1 | Euroclass |
| Short term water absorption | NPD | kg/m² |
| Product standard | EN 13162:2012+A1:2015 | |
| Declaration of Performance (DoP) number | UK-WER-0038-02 | |
| CE certificate number | 0751-CPR-393.0-01 | |
| Facing type, side 1 | No Facing |
Product variants
Optimum acoustic performance at the O2 - Case study
The design of the O2 arena’s roof had to incorporate state-of-the-art acoustic engineering to eliminate virtually all nuisance ambient noise (bass thumping) outside the arena while ensuring as near perfect acoustics as possible inside the structure.
Hands-on fire-stopping training
ROCKWOOL’s specially created expert led one-day course in fire stopping theory and practical installation practice for industry professionals.
Looking for answers?
Whether you need help finding a local stockist, have a technical question, or want to speak with a sales representative, we’re here to help. Choose the option that best fits your needs.
Speak to an expert
If you have technical questions about products or need support for your project our technical experts are here to help you.
Find sales representative
Find your local ROCKWOOL UK & Ireland sales representative.
Find a stockist
Find a stockist where you can purchase ROCKWOOL stone wool insulation and fire protection products.
