... :1. Light Weight: 10-14KG/m², equivalent to 1/30 brick wall2. Insulation: Core material heat conductivity: λ<=0.041w/mk 3. ... , that way have advantage like: easy installation, time saving, material saving, good flatness, hight strength (other joint: Tongue-and- ... -300mm3. Effective Width: 950mm-1200mm4. Total Length: Unlimited5. Core Material: EPS: Density: 12-35kg/m3, Thermal conductivity:≤0.036W/m ...