S8 Series Casement Window
Where precision engineering meets architectural transparency. The S8 Series redefines boundaries with ultra-slim profiles and uncompromised thermal performance.
Download BrochureProduct Performance
Waterproof
700 pa | 6 degree
Air Tightness
1.2 m³/(m·h) | 8 degree
Sound Insulation
35 db | 4 degree
Thermal Insulation
2.0 w/(m²·k) | 6 degree
Wind Pressure Resistance
5 kpa | 9 degree
Energy Efficient
Safety
Anti-Fall Rope
Custom Made
Handle
Product Features
WEHAG Handle & Hinge
The handle and hinge are both made from the famous German brand WEHAG, a century-old high-end brand with more guaranteed quality.

Brand Glass
Automotive-grade homogenization treatment, with a well explosion rate broken one in ten thousand standard explosion-proof film.

24mm Extra Wide Thermal Break
The thermal break is composed of PA66 and fiberglass, which is more energy-efficient and silent.

Water-Swelling Sealing Strip
EPDM water-swelling sealant strip expands three times when exposed to water, resisting storms and improving sound insulation performance.

1.8mm Multi-Cavity Aluminum Profile
Layers of sealing to block noise, with a three-seal structure for superior comfort.

6 Sealant Filled Angle Code
Strengthens connection stability and optimizes the sealing performance of doors and windows.

Uncompromising Performance & Aesthetics
The S8 Series is the pinnacle of fenestration technology. Designed for discerning architects and homeowners, it offers a flush, minimalist appearance without sacrificing structural integrity or energy efficiency.
Ultra-Slim Sightlines
Maximize natural light with framing designed to disappear into the architecture.
Multi-Point Locking
Premium stainless steel hardware ensures unparalleled security and a tight weather seal.
Advanced Thermal Break
Engineered to exceed energy standards, keeping interiors comfortable year-round.
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