The 800 Series bi-fold door is a premium, thermally broken system designed to deliver smooth operation, excellent insulation, and a seamless connection between indoor and outdoor spaces. Ideal for larger openings, it allows panels to fold and stack neatly to one or both sides, creating an expansive entryway perfect for entertaining or enjoying natural light and fresh air. Built for strength and performance, the door features a robust polyamide thermal break for improved energy efficiency, heavy-duty hardware tested for long-term reliability, and multi-point locking for enhanced security. It's a smart, stylish solution for homes that demand both function and design.