Polyurethane Advantages over Polystyrene Panels
updated 19 Dec 2011
Ecohousing Injected Polyurethane cored Structural Sandwich Panels are pressure bonded to profiled roof sheets for Roof panels and waterproof Fibre Cement sheets for Wall Panels.
EPS Expanded Poly Styrene cored Sandwich Panels have the EPS core glued to profiled roof sheets for Roof panels and flat metal sheets for Wall panels.
Polyurethane Panels v/s Expanded Poly Styrene Panels
| POLYURETHANE |
Yes / No |
POLYSTYRENE |
Yes / No |
| Cyclone Tested |
Yes |
|
No |
| Earthquake Tested |
Yes |
|
No |
| Fire Tested to 700° C |
Yes |
|
No |
| Structural Tested |
Yes |
|
No |
| Accepted by all Insurers |
Yes |
|
No |
| Can have Fibre Cement facings |
Yes |
|
No |
| Multi Story self-supporting |
Yes |
|
No |
| No delamination on all transports |
Yes |
|
No |
| Termite and Ant proof |
Yes |
|
No |
| R- Value 100mm panel |
R - 5.4 |
|
R- 2.6 |
| External walls masonry with trims |
Yes |
|
No |
| Internal walls smooth masonry |
Yes |
|
No |
| Can be used in cold moist climates
NZ & Tasmania with no absorption
|
Yes |
|
No |
| Looks like any House not Kit Home |
Yes |
|
No |