1 / 5
Double-Hung windows: Have two operating sash that move up and down allowing for ventilation on the top, bottom or both.
Single-Hung windows: Allow ventilation through a single operable lower sash. Both offer easy cleaning and remain flush with the wall.




| Technical Specifications | |
|---|---|
| Production name | Aluminium thermal break hinged door |
| Open style | Swing / Sliding |
| Function | Waterproof, Energy efficiency, Heat & Sound insulation |
| Glass Type | Single, Laminated, Insulated, Low-E, Tinted |
| Hardware | Germany brand / Chinese top brand |
| Profile | Aluminium alloy 6063-T5, 2mm thickness |
| Surface Treatment | Powder coating / Anodize / Electrophoresis |
| Feature | Measurement | Level |
|---|---|---|
| Thermal Insulation | 3.8 ≥ U ≥ 2.0 W/m2k | 3~6 level |
| Acoustic Performance | 28db ~ 40db | 2 ~ 4 level |
| Water Tightness | 350~600Pa | 4~8 level |
| Air Tightness | 5.5m3/(m2·h) | 5 level |
| Wind Load Resistance | 3.0~ 4.0 Kpa | 5 ~ 7 level |


