| Glass: | 5+12A+5 double glazing tempered glass |
| maximum opening space achieved | when fully open the doors by aluminum folding door. |
| Panels connected together in a train | can be hinged off both side jambs to meet in a number of ways. When open, panels remain 90 degrees to the opening. |
| Versatile functions | with swing enter or exit panel(s) options and with flexibility to fully or partially open. |
| Ease of operation | to quickly open or close wide openings. |
| No auxiliary track support is needed | as all structural loads are within the plane of the opening. |
| Meet or exceed industry standards | for air infiltration, water penetration, structural and thermal performance and forced entry. |
| multitude of stacking configuration | as well as inward or outward opening options, is available. |
| Space | Can save much more space than sliding doors. |
| Advantage | 45 degree angle,more solid and security. |
| Thickness of aluminum profile | 1.4mm. |
| Hardware: | Many kinds of locks are available, German brand or Chinese brand. |
| Sound insulation: | over 36 db |
| Wind pressure resistance: | V3 |
| Air permeation resistance: | A3 |
| Water resistance: | 5.U-Value< w/m2.k |
