First way
A: interior face board: “Lutai” energy-saving wall panel, thickness is 8-10mm
B: 100 series lightgage steel joist, pouring polyphenyl granule lightweight aggregate concrete into the middle space
C: polyphenyl heat insulation board, thickness is 25mm
D: single unit Polyurethane glue
E: exterior face board: “Lutai” energy-saving wall panel, thickness is 8-12mm
Walling thermal conductivity: 0.703W/ M2 . K (wall thickness is 144mm),saving energy for 68% than 240 brick wall
Second way
A: interior face board: “Lutai” energy-saving wall panel, thickness is 8-10mm
B: 75 series lightgage steel joist, pouring polyphenyl granule lightweight aggregate concrete into the middle space
C: polyphenyl heat insulation board, thickness is 25mm
D: 75 series lightgage steel joist, pouring polyphenyl granule lightweight aggregate concrete into the middle space
E: exterior keel scale board: “Lutai” energy-saving wall panel, thickness is 6mm
F: exterior face board: “Lutai” energy-saving wall panel, thickness is 8-12mm
Walling thermal conductivity: 0.766W/M2 .K (wall thickness is 200mm), savingenergy for 65% than 240 brick wall
Third way
A: interior face board: “Lutai” energy-saving wall panel, thickness is 8-10mm
B: 100 series lightgage steel joist, fill the glass wool into the middle space
C: polyphenyl heat insulation board, thickness is 25mm
D: single unit Polyurethane glue
E: exterior face board: “Lutai” energy-saving wall panel, thickness is 8-12mm
Walling thermal conductivity: 0.374W/M2 .K (wall thickness is144mm), saving energy for 83% than 240 brick wall