Our UK-manufactured slimline aluminium bi-folding doors with transoms are expertly engineered to provide exceptional structural performance, advanced thermal efficiency, and contemporary elegance.
Specifications & Features:
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Width: 4200mm – 8400mm
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Height: 2200mm – 2600mm
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High-quality, internationally trusted locks, handles, and hardware
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Built for outstanding strength, security, and long-term durability
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Ultra-smooth bottom-running system for seamless operation
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30mm polyamide thermal break delivering thermal values up to 1.4 W/m²K
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120mm ultra-slim sightlines to maximise natural light and expansive views
A large-span bifolding solution that combines architectural sophistication with high-performance engineering.













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