Certificates and Standards
Rocksilk® RainScreen OSCB25
- Form part of tested systems providing fire resistance for up to 90 minutes integrity and 90 minutes insulation (EI90).
- Fixing bracket included as standard.
- Reactive intumescent strip expands in the event of a fire to fill the residual cavity.
- Suitable for horizontal applications with a cladding outer leaf.
Applications
Rocksilk® RainScreen OSCB25Rock Mineral Wool
Description & Details
Rocksilk® RainScreen OSCB25 is a horizontal cavity barrier manufactured from rock mineral wool, shrink wrapped with a reactive intumescent strip, for use in ventilated cavities up to 450mm. It forms part of a system with Rocksilk® RainScreen Slabs which provides fire resistance for up to 90 minutes integrity and 90 minutes insulation (EI90).
- Form part of tested systems providing fire resistance for up to 90 minutes integrity and 90 minutes insulation (EI90).
- Fixing bracket included as standard.
- Reactive intumescent strip expands in the event of a fire to fill the residual cavity.
- Suitable for horizontal applications with a cladding outer leaf.
- Holds a third party certificate by KIWA (certificate IFCC 1939).
Rainscreen façade insulation
Documents
EN
| Product Data Sheet | ||
|---|---|---|
Rocksilk® Rainscreen OSCB Datasheet.PDF /
- /
850.00 KB /
6 pages | ||
| Brochure | ||
|---|---|---|
Knauf Insulation Solutions Guide UK.PDF /
- /
21.46 MB /
167 pages | ||
| Manual | ||
|---|---|---|
Rocksilk® RainScreen OSCB Installation Guide.PDF /
Feb 2026 /
2.54 MB /
12 pages | ||
Rocksilk® RainScreen Slab Design Guide.PDF /
- /
4.34 MB /
25 pages | ||
| Sustainability | ||
|---|---|---|
Rock Mineral Wool - BREEAM Helpsheet.PDF /
Feb 2025 /
40.00 KB /
1 page | ||
Certificates
Product Variants & Packaging
Rocksilk® RainScreen OSCB25
| Material number | EAN / GTIN | Thickness | Width | Length | Pieces per pack | m2 per pack | Pieces per pallet | Packs per pallet | m² per pallet |
|---|---|---|---|---|---|---|---|---|---|
834165 | 5056667844698 | 82 mm | 125 mm | 1,200 mm | 14 pc/pac | 2.10 m²/pac | 112 pc/pal | 8 pac/pal | 16.80 m²/pal |
834166 | 5056667844704 | 82 mm | 150 mm | 1,200 mm | 14 pc/pac | 2.52 m²/pac | 112 pc/pal | 8 pac/pal | 20.16 m²/pal |
834167 | 5056667844711 | 82 mm | 175 mm | 1,200 mm | 12 pc/pac | 2.52 m²/pac | 96 pc/pal | 8 pac/pal | 20.16 m²/pal |
834168 | 5056667844728 | 82 mm | 200 mm | 1,200 mm | 9 pc/pac | 2.16 m²/pac | 72 pc/pal | 8 pac/pal | 17.28 m²/pal |
834169 | 5056667844735 | 82 mm | 225 mm | 1,200 mm | 9 pc/pac | 2.43 m²/pac | 72 pc/pal | 8 pac/pal | 19.44 m²/pal |
834170 | 5056667844742 | 82 mm | 250 mm | 1,200 mm | 6 pc/pac | 1.80 m²/pac | 48 pc/pal | 8 pac/pal | 14.40 m²/pal |
834171 | 5056667844759 | 82 mm | 275 mm | 1,200 mm | 6 pc/pac | 1.98 m²/pac | 48 pc/pal | 8 pac/pal | 15.84 m²/pal |
834172 | 5056667844766 | 82 mm | 300 mm | 1,200 mm | 6 pc/pac | 2.16 m²/pac | 48 pc/pal | 8 pac/pal | 17.28 m²/pal |
834173 | 5056667844773 | 82 mm | 325 mm | 1,200 mm | 6 pc/pac | 2.34 m²/pac | 48 pc/pal | 8 pac/pal | 18.72 m²/pal |
834174 | 5056667844780 | 82 mm | 350 mm | 1,200 mm | 5 pc/pac | 2.10 m²/pac | 40 pc/pal | 8 pac/pal | 16.80 m²/pal |
834175 | 5056667844797 | 82 mm | 375 mm | 1,200 mm | 5 pc/pac | 2.25 m²/pac | 40 pc/pal | 8 pac/pal | 18.00 m²/pal |
834176 | 5056667844803 | 82 mm | 400 mm | 1,200 mm | 5 pc/pac | 2.40 m²/pac | 40 pc/pal | 8 pac/pal | 19.20 m²/pal |
834177 | 5056667844810 | 82 mm | 425 mm | 1,200 mm | 5 pc/pac | 2.55 m²/pac | 40 pc/pal | 8 pac/pal | 20.40 m²/pal |
834178 | 5056667844827 | 82 mm | 450 mm | 1,200 mm | 5 pc/pac | 2.70 m²/pac | 40 pc/pal | 8 pac/pal | 21.60 m²/pal |
