Certificates and Standards
Loft Roll 40 (Combi-cut)
- Cost effective solution for cold lofts where the thickness of insulation is unrestricted.
- Combi-cut products are supplied partially perforated, allowing them to be used between joists or uncut as a full-width roll, maximising efficiency during installation.
- Manufactured in two different options; long lengths to allow quick and simple installation maximising efficiency.
- Holds a CCPI Verification Mark (certificate number 000600173/0627) for the entire product set.
Applications
Loft Roll 40 (Combi-cut)Glass Mineral Wool
Description & Details
Loft Roll 40 is a glass mineral wool roll, designed for insulating cold pitched roofs at ceiling level, with a thermal conductivity of 0.040 W/mK. It offers the best thermal performance in our Loft Roll range. Loft Roll 40 is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using our unique plant-based binder, ECOSE® Technology.
- Cost effective solution for cold lofts where the thickness of insulation is unrestricted.
- Combi-cut products are supplied partially perforated, allowing them to be used between joists or uncut as a full-width roll, maximising efficiency during installation.
- Manufactured in two different options; long lengths to allow quick and simple installation maximising efficiency.
- Holds a CCPI Verification Mark (certificate number 000600173/0627) for the entire product set.
Pitched roofs at ceiling level
Documents
EN
| Product Data Sheet | ||
|---|---|---|
Loft Roll 40 and 44 Datasheet.PDF /
Jul 2025 /
2.58 MB /
6 pages | ||
| Brochure | ||
|---|---|---|
Knauf Insulation Solutions Guide UK.PDF /
- /
21.46 MB /
167 pages | ||
| Manual | ||
|---|---|---|
Knauf Insulation Loft Roll Installation Guide.PDF /
Jul 2025 /
2.76 MB /
13 pages | ||
| Safety Data Sheet | ||
|---|---|---|
Glass Mineral Wool with ECOSE® Technology - Safety Data Sheet.PDF /
Feb 2025 /
160.00 KB /
9 pages | ||
| Environmental Product Declaration | ||
|---|---|---|
Loft Roll 40, FrameTherm® Roll 40, FactoryClad Roll 40, Acoustic Roll (63,75,100mm) EPD UK.PDF /
Oct 2023 /
780.00 KB /
18 pages | ||
| Sustainability | ||
|---|---|---|
Glass Mineral Wool - BREEAM Helpsheet.PDF /
Feb 2025 /
40.00 KB /
1 page | ||
Declaration of Performance
- Declaration of performance: G4207GPCPR
- 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
Loft Roll 40 (Combi-cut)
| Material number | EAN / GTIN | R-Value | Thickness | Width | Length | m² per roll | Pieces per pack | m2 per pack | m² per pallet | Packs per pallet |
|---|---|---|---|---|---|---|---|---|---|---|
2404167 | 5012061815801 | 2.50 (m²K)/W | 100 mm | 1,140 mm | 11,250 mm | 12.83 m²/roll | 1 pc/pac | 12.83 m²/pac | 307.80 m²/pal | 24 pac/pal |
2404166 | 5012061815795 | 3.75 (m²K)/W | 150 mm | 1,140 mm | 7,530 mm | 8.58 m²/roll | 1 pc/pac | 8.58 m²/pac | 206.02 m²/pal | 24 pac/pal |
2404169 | 5012061815818 | 5.00 (m²K)/W | 200 mm | 1,140 mm | 4,850 mm | 5.53 m²/roll | 1 pc/pac | 5.53 m²/pac | 132.70 m²/pal | 24 pac/pal |
