Images © the manufacturer, used with permission.
Sigma insulated flat roof deck panel
Sigma is an insulated flat roof panel with five downward-facing ribs and a narrower 710 mm cover width, for flat roofs where a smaller panel is easier to handle or fits the structure better. The felt top face takes the waterproofing membrane.
[In stock IE?]
Thickness30–100 mm
U @ 100 mm0.22 W/m²K
Cover width710 mm
CorePUR / PIR
- Nationwide delivery
- No minimum order
- Samples available
- Lead time depends on stock
About the Sigma insulated flat roof panel
It comes from 30 to 100 mm thick, with a U-value of 0.22 W/m²K at 100 mm.
Specification
Size and profile
- Cover width
- 710 mm
- Length
- Made to length from continuous production.
- Thicknesses
- 30 · 40 · 50 · 60 · 80 · 100 mm
- Profile
- 5 trapezoidal ribs facing down, 710 mm cover width
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
Facings and coatings
- Facings
- Pre-painted or plasticised galvanised steel · Stainless steel · Natural, pre-painted or embossed aluminium
- Top face
- Bituminous felt – receives the waterproofing membrane
- 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) |
|---|---|
| 30 mm | 0.69 |
| 40 mm | 0.53 |
| 50 mm | 0.43 |
| 60 mm | 0.36 |
| 80 mm | 0.27 |
| 100 mm | 0.22 |
Declared 25-year values to EN 14509 (EN 13165 Annex C), on 0.4 + 0.4 mm steel facings.
Use it for
IndustryCommercialResidentialInfrastructure