Open your home with a sweep. The ATT Fabrications 1800mm anthracite bi-folds slide and fold, merging interiors and garden. Choose open in or out. The master door swings open solo for daily use, then unlock three-panel folding action for big occasions. Steel-reinforced Eurocell uPVC and toughened glass keep it secure and efficient, with a top U-value of 1.4. Fit kit includes handle, cill, ventilator, and adjustable hinges. Hardware is low-profile and concealed. Expect robust security—a multi-point lock and internally beaded panels. Delivered pre-hung with a 10-year colourfast warranty and free mainland UK delivery. Unique Features: Tri-fold design, right-hand hinged (as viewed from outside) Anthracite grey inside and out Master door unlocks independently Steel-reinforced, 28mm double glazing (Low-E safety glass) Multiple opening options, open in/out Multipoint master lock, concealed slave locks U-value 1.4, meets Part L regs 10-year warranty (1 year hardware/glass), free mainland UK shipping
