Open up broad views and bring the outside in! This 3600mm white aluminium bi-fold doorset offers ultra-slim 132mm profiles, a thermally broken frame, and smooth-glide top/bottom dual track hinges. Choose left or right-hand opening; doors open outward for maximum space utility. 28mm warm-edge double glazing (U-value 1.5) keeps things efficient, while the master door delivers a 5-point lock plus top-tier weather and security performance. All running gear is concealed, trickle ventilation is built-in, and frame, panels, and glass are prepped for easy installation. Backed by a 10-year colourfast guarantee, 1-year parts/glass warranty, and free mainland UK delivery. Unique Features: 3600mm wide, slim 132mm sightlines, white powder coated 3-leaf bi-fold; choose LH or RH hinge Polyamide thermal break, U-value 1.5, high security 28mm double glazed, warm edge units Concealed hinges/running gear, high-performance seals Preassembled frame, all fixings and instructions supplied 10-year external finish, 1-year glass/hardware warranty Fast UK mainland delivery