RW4
ROCKWOOL® RW4 is a resin-bonded stone wool slab for thermal, fire and acoustic insulation applications.
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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
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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 Feb 2026