UPVC Double Hung Window

uPVC Double Hung Window products use a structure where both the upper and lower sashes can slide vertically. This gives users more flexible control over ventilation. Compared with a single hung window, the double hung design allows warm air to leave from the upper opening while fresh air can enter from the lower opening.

The window has a classic appearance and is suitable for North American residences, apartments, villas, old house renovation, schools, senior apartments, community housing, and light commercial buildings.

Profile series commonly include 70mm, 80mm, 90mm, and 100mm options. The sash lifting system can use a spring balancer, constant force balancer, or heavy-duty balance system.

Glass can be configured as single glass, insulated glass, Low-E glass, laminated glass, or insulated glass with grille bars. The sash can also be matched with half screens, full screens, limit locks, child safety locks, and anti-fall structures. Some products can be configured with a tilt-in cleaning function, making it easier to clean the outside glass surface from indoors.

The main purchasing points include sash weight, balance system load capacity, locking structure, and sealing method. Single sash size should be designed according to hardware load capacity, glass weight, and wind pressure requirements.

The sealing system can combine wool strips, rubber strips, and locking structures to improve air tightness after closing. For projects that need a traditional residential style, consistent facade appearance, and convenient maintenance, grille design, color, glass configuration, and screen type should be confirmed before placing the order.

The company pays attention to pre-sales communication, in-process management, and after-sales maintenance in door and window supporting projects. In the pre-sales stage, it can communicate around size, opening method, hardware configuration, and material selection.

During production and project execution, process management and staged inspection can help control progress. After delivery, continued maintenance and timely response can be provided. For projects with multiple specifications, multiple buildings, or renovation needs, this workflow helps reduce communication errors and improve delivery stability.

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