Kingspan Thermaroof TR26 PIR Insulation Board (Flat Roof) 2400 × 1200mm – 90mm (Pack of 3, 8.64m²)
Kingspan Thermaroof TR26 PIR Insulation Board (Flat Roof) 2400 × 1200mm – 90mm (Pack of 3, 8.64m²)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.
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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
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
Technical datasheet (PDF) – opens the manufacturer's document in a new tab
BBA certificate (PDF) – 16/5332 – opens the BBA Agrément Certificate in a new tab
Safety data sheet (PDF) – opens the manufacturer's safety data sheet in a new tab
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- Genuine manufacturer stock
- Trade pricing, shown ex VAT
- Call 03330 908479 for bulk quotes
Kingspan Thermaroof TR26 is a PIR flat roof board (PIR core, composite foil facings) for flat roofs under built-up felt and liquid-applied systems. It has a declared thermal conductivity of 0.022 W/mK and, at this thickness, a thermal resistance of 4.05 m²K/W according to the manufacturer's datasheet. Each pack contains 3 boards covering 8.64m².
Specifications
| Brand | Kingspan |
|---|---|
| Thickness | 90mm |
| Board size (L × W) | 2400 × 1200mm |
| Material | PIR core, composite foil facings |
| Thermal conductivity (λ) | 0.022 W/mK |
| Thermal resistance (R-value) | 4.05 m²K/W |
| Reaction to fire | Euroclass F |
| Product standard | BS EN 13165 |
| BBA certificate | 16/5332 |
| Boards per pack | 3 |
| Coverage per pack | 8.64m² |
| Sold as | Pack of 3 boards (8.64m²) |
Delivery
Free delivery to England on every order; minimum order £400 + VAT. Delivered by Moffett lorry (forklift offload); someone must be present to receive it.
Downloads & technical information
- Kingspan Thermaroof TR26 technical datasheet (PDF)
- Kingspan Thermaroof TR26 Declaration of Performance (PDF)
- Kingspan Thermaroof TR26 BBA certificate (PDF)
- Kingspan product page (manufacturer website)
See the full range of Kingspan insulation boards.
FAQs
Is the price per board or per pack?
The price shown is for one pack of 3 boards covering 8.64m².
How many do I need?
Divide the area to be covered (m²) by 8.64m² and round up, then allow around 10% extra for cutting and waste.
What are the delivery charges?
Free delivery to England on every order; minimum order £400 + VAT. Delivered by Moffett lorry (forklift offload); someone must be present to receive it. Delivered in England only. We do not deliver to Northern Ireland or the Scottish islands.
Where can I find U-values and installation guidance?
See the manufacturer documents linked in the Downloads & technical information section above, or contact our team for help.
| BBA Agrément Certificate | 16/5332 |
|---|
Thickness & R-value table – this product: R 4.05 m²K/W
Thickness & R-value table – this product: R 4.05 m²K/W
Kingspan Thermaroof TR26 PIR Flat Roof Board – all 11 thicknesses we stock.
| Thickness | λ (W/mK) | R-value (m²K/W) |
|---|---|---|
| 25mm | 0.022 | 1.10 |
| 50mm | 0.022 | 2.25 |
| 60mm | 0.022 | 2.70 |
| 80mm | 0.022 | 3.60 |
| 90mm this product | 0.022 | 4.05 |
| 100mm | 0.022 | 4.50 |
| 110mm | 0.022 | 5.00 |
| 120mm | 0.022 | 5.45 |
| 130mm | 0.022 | 5.90 |
| 140mm | 0.022 | 6.35 |
| 150mm | 0.022 | 6.80 |
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.
