sip panel Material: color coated steel sheet and EPS, PU, or rocl wool Size: width is standard 600mm ... product name: sip panelGreen building material Material: color coated steel sheet and EPS, PU, or rocl wool Size: width is standard 600mm ... insulation purpose With heat insulation, sound insulation, heat preservation, moisture and water-resistant With lightweight, solid, gas-resistant, sun-resistant, ...