
Sliding uPVC Windows for Optimal Space and Style
Simta Astrix uPVC sliding windows offer a perfect blend of space-saving functionality, superior insulation, and contemporary design. The double-gasket system provides airtight seals to block dust, noise, and thermal leakage. Our 2 track, 2.5 track and 3 track options with mosquito mesh make them perfect for high-rise buildings, coastal areas, and homes requiring ample ventilation. With smooth horizontal sash movement, these windows enhance ventilation and panoramic views, making them ideal for residential and commercial spaces.
- Space-saving design
- Superior ventilation
- Double-gasket insulation
- Reinforced frame stability
- Effortless sash movement
- Custom track options
- Expansive natural views
- Integrated mesh solution
Technology built to fit your needs

























Simta Astrix uPVC sliding windows have multi-chamber profiles for stability and insulation. Available in various tracks, colours, and hardware, they provide easy operation, enhanced ventilation, and modern aesthetics.
Sliding Designs
Space Saving
Less Noise
Dust Protection
Frequently asked questions
Yes, sliding uPVC windows are ideal for large openings. Reinforced frames and multiple track options allow for wider panels, ensuring durability and stability against wind loads.
Our uPVC sliding windows feature multi-point locking systems and reinforced frames & sashes, making them highly secure. Additional hardware options enhance safety and prevent tampering.
Yes, sliding windows are designed for smooth, effortless horizontal movement on tracks. They require minimal maintenance due to their durable uPVC construction, which resists corrosion, dust, and wear.
Yes, sliding uPVC windows come with optional integrated mosquito mesh tracks, offering protection against insects while maintaining airflow and visibility.