Certificates and Standards
Rocksilk® Flat Roof Slab Extra
- Compatible with a wide range of single ply membranes.
- Manufactured from mineral wool which provides the best levels of sound absorption and reduction compared to other mainstream insulants to reduce the drumming effects of rainfall.
- Manufactured using Knauf Insulation's Krimpact® Technology for high levels of compressive strength and durability.
- Made with a water-repellent additive to resist moisture ingress.
Applications
Rocksilk® Flat Roof Slab ExtraRock Mineral Wool
Description & Details
Rocksilk® Flat Roof Slab is a rock mineral wool slab with an Agrément certificate by the BBA, designed for use in mechanically-fixed flat roof build-ups onto all types of roof deck. It is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using our Krimpact® Technology.
- Compatible with a wide range of single ply membranes.
- Manufactured from mineral wool which provides the best levels of sound absorption and reduction compared to other mainstream insulants to reduce the drumming effects of rainfall.
- Manufactured using Knauf Insulation's Krimpact® Technology for high levels of compressive strength and durability.
- Made with a water-repellent additive to resist moisture ingress.
Flat roof
Documents
EN
| Product Data Sheet | ||
|---|---|---|
Rocksilk® Flat Roof Slab Datasheet.PDF /
- /
620.00 KB /
5 pages | ||
| Brochure | ||
|---|---|---|
Acoustic Insulation - What You Need to Know.PDF /
Jan 2025 /
3.47 MB /
3 pages | ||
Knauf Insulation Solutions Guide UK.PDF /
- /
21.46 MB /
167 pages | ||
| Environmental Product Declaration | ||
|---|---|---|
Knauf Insulation Rocksilk® Flat Roof Extra EPD-S-P-13851.PDF /
Jun 2024 /
1.11 MB /
18 pages | ||
| Sustainability | ||
|---|---|---|
Rock Mineral Wool - BREEAM Helpsheet.PDF /
Feb 2025 /
40.00 KB /
1 page | ||
Declaration of Performance
- Declaration of performance: R4208GPCPR
- 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.
Technical Data
| Description | Value | Unit | Norm |
|---|---|---|---|
Thermal conductivity declared | 0.04 | W/(mK) | |
Reaction to fire | A1 | EN 13501-1 |
Product Variants & Packaging
Rocksilk® Flat Roof Slab Extra
| Material number | EAN / GTIN | R-Value | Thickness | Width | Length | Pieces per pallet | m² per pallet |
|---|---|---|---|---|---|---|---|
606061 | 5012061995879 | 2.35 (m²K)/W | 95 mm | 1,200 mm | 1,200 mm | 24 pc/pal | 28.80 m²/pal |
606064 | 5012061995886 | 2.60 (m²K)/W | 105 mm | 1,200 mm | 1,200 mm | 24 pc/pal | 28.80 m²/pal |
606065 | 5012061995893 | 3.10 (m²K)/W | 125 mm | 1,200 mm | 1,200 mm | 20 pc/pal | 24.00 m²/pal |
606067 | 5012061995909 | 3.75 (m²K)/W | 150 mm | 1,200 mm | 1,200 mm | 16 pc/pal | 19.20 m²/pal |