Extruded polystyrene board and color steel sandwich board which is better
See what you can do with the use of external wall insulation, then you can use the extruded board for the activities of temporary housing roof wall panel that color steel sandwich panels
Each have different, simply can not be compared together
Extrusion board is mainly good insulation effect, mainly for the insulation layer
The color steel sandwich panels are mainly used for the production of housing, although there are insulation effect, but the insulation effect is not as extruded board (cost is also high).