Knauf Insulation Loft Roll 44 Combi-Cut – 170mm (8.01m² roll)
Knauf Insulation Loft Roll 44 Combi-Cut – 170mm (8.01m² roll)
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- Genuine manufacturer stock
- Trade pricing, shown ex VAT
- Call 03330 908479 for bulk quotes
Knauf Insulation Loft Roll 44 Combi-Cut, 170mm. A glass mineral wool roll for lofts, laid between and over ceiling joists. It is made with Knauf's ECOSE Technology binder, is non-combustible (Euroclass A1) and is part-cut along its length so you can split it into 2 × 570mm or 3 × 380mm widths to suit common joist spacings. Declared thermal conductivity 0.044 W/mK; at 170mm the thermal resistance is 3.85 m²K/W. Sold per roll (8.01m²).
Specifications
| Brand | Knauf Insulation |
|---|---|
| Product | Loft Roll 44 Combi-Cut |
| Manufacturer code | 2404156 |
| Thickness | 170mm |
| Roll size | 7.03m × 1140mm |
| Coverage | 8.01m² |
| Combi-cut widths | 1 × 1140mm, 2 × 570mm or 3 × 380mm |
| Thermal conductivity (λ) | 0.044 W/mK |
| Thermal resistance (R-value) | 3.85 m²K/W |
| Reaction to fire | Euroclass A1 (non-combustible) |
| Declaration of Performance | G4207CPCPR |
| Sold as | Roll (8.01m²) |
Delivery
Free delivery to England & Wales on every order; minimum order £400 + VAT. Delivered by Moffett lorry (forklift offload); someone must be present to receive it.
Downloads & technical information
- Knauf Insulation Loft Roll 44 Combi-Cut datasheet (PDF)
- Knauf Insulation Loft Roll 44 installation guide (PDF)
- Knauf Insulation Loft Roll 44 Environmental Product Declaration (EPD) (PDF)
- Knauf Insulation Loft Roll 44 Combi-Cut product page (manufacturer website)
FAQs
Is the price per roll or per pack?
The price shown is ex VAT and is for one roll covering 8.01m².
How many rolls do I need?
Use our insulation calculator, or divide the loft area (m²) by 8.01 and round up. For a 270mm total depth, lay 100mm between the joists and 170mm across them.
What are the delivery charges?
Free delivery to England & Wales on every order; minimum order £400 + VAT. Delivered by Moffett lorry (forklift offload); someone must be present to receive it. We deliver to England and Wales only; we cannot deliver to Scotland, Northern Ireland or the islands.
Is this Knauf Insulation or Knauf ceiling tiles?
This is Knauf Insulation glass mineral wool. Knauf AMF ceiling tiles are a separate Knauf business and are listed under Ceilings.
Thickness & R-value table – this product: R 3.85 m²K/W
Thickness & R-value table – this product: R 3.85 m²K/W
Knauf Insulation Loft Roll 44 Combi-Cut – all 4 thicknesses we stock.
| Thickness | λ (W/mK) | R-value (m²K/W) |
|---|---|---|
| 100mm | 0.044 | 2.25 |
| 150mm | 0.044 | 3.40 |
| 170mm this product | 0.044 | 3.85 |
| 200mm | 0.044 | 4.50 |
R-value = thickness (m) ÷ thermal conductivity λ, using the λ declared for each product, rounded down to the nearest 0.05 m²K/W. Always check the manufacturer's declaration of performance and your U-value calculation for Building Regulations.
Delivery
Delivery
Free delivery on orders over £350 ex VAT.
Insulation and building materials: free delivery on every order, minimum order £400 ex VAT. Suspended ceilings (grid, tiles and wire): minimum order £150 ex VAT, £35 ex VAT delivery under £350 ex VAT, free from £350 ex VAT.
We deliver to England and Wales only (not Scotland or Northern Ireland). Delivery timing depends on stock and location; contact us before ordering if your project has a deadline.
Deliveries arrive on a Moffett lorry (truck-mounted forklift) and are offloaded at your site. Someone must be present to receive the delivery, and we need a contact phone number for the driver.
