The exterior of this type of sandwich panel is covered with colored galvanized sheet and its interior is covered with four-layer aluminum foil, and it is very popular due to the significant price difference with the double-sided hidden screw sandwich wall panel. The place of use of this type of panel is spaces where the interior must be covered with another covering in architecture.
| Specification table for 3-step hidden screw sandwich wall panel, one side sheet, one side foil with polyurethane foam | |
| Sandwich panel thickness | 50 mm |
| Thermal conductivity (w/m) | 34 hundredths |
| Fire resistance class | B2 |
| Sound reduction | Minimum 10DB |
| Panel width (useful width) | 1000 mm |
| Sandwich panel length | Minimum 2 meters, maximum 14 meters |
| Table of distributed load bearing capacity of 3-step hidden screw sandwich wall panel, one side sheet, one side foil with polyurethane foam | ||||||||
| Insulation thickness (MM) | Outer sheet thickness (MM) | Inner sheet thickness (MM) | Distance between profiles (MM) | |||||
| 1000 | 1500 | 2000 | 2500 | 3000 | ||||
| 50 | 50 cents | Four-layer aluminum foil | 317 | 206 | 147 | 116 | 96 | |
