Certificates and Standards
Rocksilk® RainScreen Slab
- Made with a water-repellent additive to resist moisture ingress.
- Holds an Agrément certificate by the BBA (certificate 19/5609) for use with the broadest range of build-ups in the widest range of thicknesses on the market.
- Slabs are engineered to adapt to minor imperfections in the substrates.
- Supported by 3D U-value calculation service (BS EN 10211 compliant) to accurately ensure the façade performs as specified.
Applications
Rocksilk® RainScreen SlabRock Mineral Wool
Description & Details
Rocksilk® RainScreen Slab is a rock mineral wool slab with an Agrément certificate by the BBA, designed for use as sheathing insulation in rainscreen façade systems on any building of any height. It is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using our unique bio-based binder, ECOSE® Technology.
- Made with a water-repellent additive to resist moisture ingress.
- Holds an Agrément certificate by the BBA (certificate 19/5609) for use with the broadest range of build-ups in the widest range of thicknesses on the market.
- Slabs are engineered to adapt to minor imperfections in the substrates.
- Supported by 3D U-value calculation service (BS EN 10211 compliant) to accurately ensure the façade performs as specified.
- Holds a CCPI Verification Mark (certificate number 000600063/0426).
- Manufactured from mineral wool which provides the best levels of sound absorption and reduction compared to other mainstream insulants.
Rainscreen façade insulation
Documents
EN
| Product Data Sheet | ||
|---|---|---|
Rocksilk® Rainscreen Slab Datasheet.PDF /
Oct 2025 /
1.33 MB /
6 pages | ||
Rocksilk® RainScreen Slab Fixings Datasheet.PDF /
Oct 2024 /
1.42 MB /
5 pages | ||
| Brochure | ||
|---|---|---|
Knauf Insulation Solutions Guide UK.PDF /
- /
21.46 MB /
167 pages | ||
| Safety Data Sheet | ||
|---|---|---|
Rock Mineral Wool with ECOSE® Technology - Safety Data Sheet.PDF /
Sep 2023 /
240.00 KB /
8 pages | ||
| Environmental Product Declaration | ||
|---|---|---|
Knauf Insulation Rocksilk® RainScreen Slab & RS60 EPD S-P-03784.PDF /
May 2021 /
1.78 MB /
16 pages | ||
| Sustainability | ||
|---|---|---|
Rock Mineral Wool - BREEAM Helpsheet.PDF /
Feb 2025 /
40.00 KB /
1 page | ||
Declaration of Performance
- Declaration of performance: R4208MSCPR
- Declarations of performance (DoPs), safety data sheets (SDS), and environmental product declarations (EPD) for our offered products can be found via a central Knauf Insulation database.
Certificates
Technical Data
| Description | Value | Unit | Norm |
|---|---|---|---|
Thermal conductivity declared | 0.034 | W/(mK) | |
Reaction to fire | A1 | EN 13501-1 |
Product Variants & Packaging
Rocksilk® RainScreen Slab
| Material number | EAN / GTIN | Thickness | Width | Length | Pieces per pack | m2 per pack | Pieces per pallet | Packs per pallet | m² per pallet |
|---|---|---|---|---|---|---|---|---|---|
640909 | 5012062028866 | 50 mm | 600 mm | 1,200 mm | 8 pc/pac | 5.76 m²/pac | 96 pc/pal | 12 pac/pal | 69.12 m²/pal |
650807 | 5012062029900 | 60 mm | 600 mm | 1,200 mm | 7 pc/pac | 5.04 m²/pac | 84 pc/pal | 12 pac/pal | 60.48 m²/pal |
650808 | 5012062029917 | 70 mm | 600 mm | 1,200 mm | 6 pc/pac | 4.32 m²/pac | 72 pc/pal | 12 pac/pal | 51.84 m²/pal |
640911 | 5012062028873 | 75 mm | 600 mm | 1,200 mm | 6 pc/pac | 4.32 m²/pac | 72 pc/pal | 12 pac/pal | 51.84 m²/pal |
650809 | 5012062029924 | 80 mm | 600 mm | 1,200 mm | 5 pc/pac | 3.60 m²/pac | 60 pc/pal | 12 pac/pal | 43.20 m²/pal |
650810 | 5012062029931 | 90 mm | 600 mm | 1,200 mm | 5 pc/pac | 3.60 m²/pac | 60 pc/pal | 12 pac/pal | 43.20 m²/pal |
640914 | 5012062028880 | 100 mm | 600 mm | 1,200 mm | 4 pc/pac | 2.88 m²/pac | 48 pc/pal | 12 pac/pal | 34.56 m²/pal |
650811 | 5012062029948 | 110 mm | 600 mm | 1,200 mm | 4 pc/pac | 2.88 m²/pac | 48 pc/pal | 12 pac/pal | 34.56 m²/pal |
640916 | 5012062028897 | 120 mm | 600 mm | 1,200 mm | 4 pc/pac | 2.88 m²/pac | 40 pc/pal | 10 pac/pal | 28.80 m²/pal |
658740 | 5012062038827 | 125 mm | 600 mm | 1,200 mm | 4 pc/pac | 2.88 m²/pac | 40 pc/pal | 10 pac/pal | 28.80 m²/pal |
651499 | 5012062032108 | 130 mm | 600 mm | 1,200 mm | 3 pc/pac | 2.16 m²/pac | 36 pc/pal | 12 pac/pal | 25.92 m²/pal |
651513 | 5012062032177 | 140 mm | 600 mm | 1,200 mm | 3 pc/pac | 2.16 m²/pac | 36 pc/pal | 12 pac/pal | 25.92 m²/pal |
640921 | 5012062028903 | 150 mm | 600 mm | 1,200 mm | 3 pc/pac | 2.16 m²/pac | 36 pc/pal | 12 pac/pal | 25.92 m²/pal |
651512 | 5012062032184 | 160 mm | 600 mm | 1,200 mm | 3 pc/pac | 2.16 m²/pac | 30 pc/pal | 10 pac/pal | 21.60 m²/pal |
658742 | 5012062038841 | 165 mm | 600 mm | 1,200 mm | 3 pc/pac | 2.16 m²/pac | 30 pc/pal | 10 pac/pal | 21.60 m²/pal |
651506 | 5012062032122 | 170 mm | 600 mm | 1,200 mm | 3 pc/pac | 2.16 m²/pac | 30 pc/pal | 10 pac/pal | 21.60 m²/pal |
640927 | 5012062028910 | 180 mm | 600 mm | 1,200 mm | 3 pc/pac | 2.16 m²/pac | 30 pc/pal | 10 pac/pal | 21.60 m²/pal |
652477 | 5012062033112 | 190 mm | 600 mm | 1,200 mm | 2 pc/pac | 1.44 m²/pac | 24 pc/pal | 12 pac/pal | 17.28 m²/pal |
640930 | 5012062028927 | 200 mm | 600 mm | 1,200 mm | 2 pc/pac | 1.44 m²/pac | 24 pc/pal | 12 pac/pal | 17.28 m²/pal |
640933 | 5012062028934 | 210 mm | 600 mm | 1,200 mm | 2 pc/pac | 1.44 m²/pac | 24 pc/pal | 12 pac/pal | 17.28 m²/pal |
656408 | 5012062036243 | 220 mm | 600 mm | 1,200 mm | 2 pc/pac | 1.44 m²/pac | 24 pc/pal | 12 pac/pal | 17.28 m²/pal |
656409 | 5012062036250 | 230 mm | 600 mm | 1,200 mm | 2 pc/pac | 1.44 m²/pac | 24 pc/pal | 12 pac/pal | 17.28 m²/pal |
656410 | 5012062036267 | 240 mm | 600 mm | 1,200 mm | 2 pc/pac | 1.44 m²/pac | 20 pc/pal | 10 pac/pal | 14.40 m²/pal |
656411 | 5012062036274 | 250 mm | 600 mm | 1,200 mm | 2 pc/pac | 1.44 m²/pac | 20 pc/pal | 10 pac/pal | 14.40 m²/pal |
