Knauf Insulation Loft Roll 44 Combi-Cut – 150mm (9.18m² roll)
Knauf Insulation Loft Roll 44 Combi-Cut – 150mm (9.18m² roll)In stock
Minimum order £400 ex VAT, free delivery in England · Mainland Wales & Scotland: minimum order £400 ex VAT + £40 + VAT delivery
Delivery timing depends on stock and location; contact us before ordering if your project has a deadline. Full delivery rules
Spread the cost: pay in 3 with Klarna, PayPal or Shop Pay at checkout Subject to status.
Bulk orders? Call 03330 908479 or contact us for a bulk quote.
Secure checkout powered by Shopify
Not available for delivery to your area — call 03330 908479 for options.
Couldn't load pickup availability
How many do I need?
This product covers 9.18m² per roll, as shown in the product title. Enter the area you need to cover.
For a full take-off, try the loft roll calculator.
Delivery
Minimum order £400 ex VAT, free delivery in England · Mainland Wales & Scotland: minimum order £400 ex VAT + £40 + VAT delivery · Full delivery rules
- Free delivery with forklift offload
- Minimum order £400 ex VAT on insulation, plasterboard & drylining
- Mainland Wales & Scotland: £400 ex VAT minimum plus £40 + VAT delivery (Scottish islands not covered).
Minimum order applies: add £400.00 ex VAT of these items to reach the £400 ex VAT minimum order.
Delivery timing depends on stock and location; contact us before ordering if your project has a deadline. Full delivery details · Urgent courier quote (extra charge) · 03330 908479
- Genuine manufacturer stock
- Trade pricing, shown ex VAT
- Call 03330 908479 for bulk quotes
Need a quote for a bigger job?
For larger quantities or a full project list, call us, send a message or chat on WhatsApp. We will come back with a quote.
Knauf Insulation Loft Roll 44 Combi-Cut, 150mm. 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 150mm the thermal resistance is 3.40 m²K/W. Sold per roll (9.18m²).
Specifications
| Brand | Knauf Insulation |
|---|---|
| Product | Loft Roll 44 Combi-Cut |
| Manufacturer code | 2404155 |
| Thickness | 150mm |
| Roll size | 8.05m × 1140mm |
| Coverage | 9.18m² |
| Combi-cut widths | 1 × 1140mm, 2 × 570mm or 3 × 380mm |
| Thermal conductivity (λ) | 0.044 W/mK |
| Thermal resistance (R-value) | 3.40 m²K/W |
| Reaction to fire | Euroclass A1 (non-combustible) |
| Declaration of Performance | G4207CPCPR |
| Sold as | Roll (9.18m²) |
Delivery
£400 ex VAT minimum, with free delivery in England. We can also deliver to mainland Wales and mainland Scotland with a £400 ex VAT minimum plus £40 + VAT delivery. 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 9.18m².
How many rolls do I need?
Use our insulation calculator, or divide the loft area (m²) by 9.18 and round up. For a 270mm total depth, lay 100mm between the joists and 170mm across them.
What are the delivery charges?
£400 ex VAT minimum, with free delivery in England. We can also deliver to mainland Wales and mainland Scotland with a £400 ex VAT minimum plus £40 + VAT delivery. Delivered by Moffett lorry (forklift offload); someone must be present to receive it. We do not deliver to Northern Ireland or the Scottish 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 3.40 m²K/W
Thickness & R-value table – this product: R 3.40 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 this product | 0.044 | 3.40 |
| 170mm | 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 information
Delivery information
Minimum order £400 ex VAT. Free delivery in England. Mainland Wales and Scotland: £400 ex VAT minimum plus £40 + VAT delivery.
Insulation, plasterboard, drylining, ceilings, timber, aggregates and cement. Separately delivered ranges have separate minimums. Access panels and Evolution fixings have their own delivery rules.
Delivery timing depends on stock and location; contact us before ordering if your project has a deadline.
