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Double Glazed Sash Windows

A sash window or hung sash window is made of one or more movable panels, or "sashes". The individual sashes are traditionally paned windows, but can now contain an individual sheet of glass.

Product Overview

The SUNEAR ZT80 Series High-Performance Vertical Sash system represents a sophisticated architectural intersection where traditional vertical motion meets the elite thermal shielding of modern building technology. Meticulously engineered to deliver exceptional energy efficiency and acoustic protection, our sash windows integrate precision multi-chamber structural aluminum with advanced German hardware (ROTO/SIEGEMIA) for silent and effortless operation. Designed for landmark restoration projects and prestigious residential developments that demand both historical aesthetic alignment and uncompromising mechanical performance, the system ensures a high-durability, maintenance-free finish. As a China-based system windows and doors factory, we provide developers and architects with precision-manufactured sash systems at competitive wholesale pricing to support successful property completions worldwide.

Specifications

ModelZT80 series sash windows
CertificationNFRC, NAMI certified
Frame FinishInterpon Powder Coated Aluminum Profile
GlassDouble tempered high performance glass
HardwareGlobal Top Brand (ROTO, SIEGENIA, etc.)
Warranty10 years standard warranty

Key Features

01

Versatile Ventilation

Traditional hung design allows for efficient airflow control with movable panels.

02

Verified Performance

NFRC and NAMI certifications ensure top-tier energy efficiency and safety.