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Fortress Windows
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80 Series Thermal Break Aluminum Windows - Specifically engineered for high-performance balcony and French door applications. This system combines architectural elegance with superior engineering to meet the rigorous demands of coastal and modern residential projects.
Constructed from premium 6063-T5 aluminum alloy integrated with PA66 GF25 thermal break strips, these windows achieve an impressive U-value ≤ 2.8 W/m²·K. This significantly reduces energy costs by maintaining interior temperatures. The inclusion of double or triple glazed soundproof glass provides a noise reduction of 35-45 dB, ensuring a serene indoor environment.





