Narrow-Frame Hidden Sash Door
The Narrow-Frame Hidden Sash Door combines sleek aesthetics with functionality. Its hidden sash design and ultra-slim 80mm frame create a minimalist look that seamlessly integrates with interiors and exteriors. Designed for floor-to-ceiling openings, it serves as both a window and door, offering gentle ventilation and full accessibility. Made from premium aluminum (2.2mm profile), it features high-performance glass, Sobinco hardware, and a Technoform 42mm thermal break strip for superior insulation. Ideal for luxury villas and modern facades, it ensures high thermal efficiency (K≥1.3), soundproofing (40dB), and weather resistance for sophisticated architectural designs.
The Narrow-Frame Hidden Sash Door combines sleek aesthetics with functionality. Its hidden sash design and ultra-slim 80mm frame create a minimalist look that seamlessly integrates with interiors and exteriors. Designed for floor-to-ceiling openings, it serves as both a window and door, offering gentle ventilation and full accessibility. Made from premium aluminum (2.2mm profile), it features high-performance glass, Sobinco hardware, and a Technoform 42mm thermal break strip for superior insulation. Ideal for luxury villas and modern facades, it ensures high thermal efficiency (K≥1.3), soundproofing (40dB), and weather resistance for sophisticated architectural designs.
The Narrow-Frame Hidden Sash Door combines sleek aesthetics with functionality. Its hidden sash design and ultra-slim 80mm frame create a minimalist look that seamlessly integrates with interiors and exteriors. Designed for floor-to-ceiling openings, it serves as both a window and door, offering gentle ventilation and full accessibility. Made from premium aluminum (2.2mm profile), it features high-performance glass, Sobinco hardware, and a Technoform 42mm thermal break strip for superior insulation. Ideal for luxury villas and modern facades, it ensures high thermal efficiency (K≥1.3), soundproofing (40dB), and weather resistance for sophisticated architectural designs.
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Standard Aluminum Material
• 2.2mm thickness system profile
• Frame width: 90mm
Standard Glass
• 6mm + 12A + 6mm + 12A + 6mm
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Sobinco inward-opening and tilt-turn hardware system
Technoform 42mm thermal break strip
Xinan Dongfa foam composite EPDM sealing strip
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Visible sash + frame width: only 80mm
2.2mm thickness system profile
Thermal Insulation (K value) ≥1.3
Sound Insulation 40dB
Water Tightness 900Pa
Air Tightness 1.0m³/(m²·h)
Wind Resistance 2.8KPa
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• Ideal for architectural facades with a strong linear aesthetic
• Perfect for luxury villas with garden views