Images © the manufacturer, used with permission.
Kappa 5 single-skin insulated roof panel
Kappa 5 is a five-rib single skin insulated roof panel with a flexible underside, from 20 to 120 mm thick and 1000 mm wide. The felt-backed standard version goes over concrete roof decks; the Agri and fibreglass versions give a cleaner, chemical-resistant underside for livestock sheds and dairies.
- Nationwide delivery
- No minimum order
- Samples available
- Lead time depends on stock
About the Kappa 5 single skin insulated roof panel
It reaches a U-value of 0.22 W/m²K at 100 mm and is certified BRoof(t3) for external fire from 30 mm, so it can carry solar panels.
Specification
Size and profile
- Cover width
- 1000 mm
- Length
- Made to length from continuous production.
- Thicknesses
- 20 · 30 · 40 · 50 · 60 · 80 · 100 · 120 mm
- Profile
- 5 trapezoidal ribs
Core and joint
- Core
- Polyurethane (PUR) foamed continuously; PIR (polyisocyanurate) available on request (non-standard). Density 39 ±2 kg/m³. Initial thermal conductivity λ = 0.020 W/mK. Declared U-value is the 25-year value (Appendix C, EN 13165).
- Manufacturer
- Isolpack S.p.A., Italy · product code D3
Facings and coatings
- Facings
- Pre-painted or plasticised galvanised steel · Aluzinc · Stainless steel · Natural, pre-painted or embossed aluminium · Copper
- Underside
- Bituminous felt (standard) · Embossed aluminium (Agri version) · Fibreglass (chemical-resistant version)
- Coatings
- Polyester, Superpolyester (HD), PVDF, polyurethane PUR/PA, 15–55 µm. Other films and food-safe coatings on request.
Non-standard thicknesses on request, subject to minimum quantities.
U-value by thickness
| Thickness | U (W/m²K) |
|---|---|
| 20 mm | 1.42 |
| 30 mm | 0.69 |
| 40 mm | 0.53 |
| 50 mm | 0.43 |
| 60 mm | 0.36 |
| 80 mm | 0.27 |
| 100 mm | 0.22 |
| 120 mm | 0.18 |
Declared 25-year values to EN 14509 (EN 13165 Annex C), on 0.4 + 0.4 mm steel facings.
Fire certification
| Test | Class | Thicknesses |
|---|---|---|
| External fire EN 13501-5 · PUR | BRoof(t3) | 30–120 mm |
Classes are per core and thickness and must be specified at order. The whole range is CE marked with EPD type III (EN ISO 14025) declarations, from an ISO 9001, 14001 and 45001 certified manufacturer.