Open up your home to the outdoors with the ATT Fabrications 3000mm Anthracite Grey UPVC Folding Patio Doors, left hand hinged. Designed to create a striking, modern focal point, these maintenance-free bi-folds feature ultra-secure, steel-reinforced Eurocell uPVC profiles with a dark anthracite colourway, inside and out. The doors can be installed to open in or out, offering great flexibility to suit your space, and the ingenious design allows the master door to be used independently for everyday access. Supplied with all fittings and instructions, the set incorporates internally beaded 28mm toughened double glazing for thermal efficiency, a high-security multipoint lock, and an elegant concealed mechanism for the slave doors. Choose between three or four door options, all with adjustable hinges and individually wrapped glass units for ease of installation and compliance with current building regs. The package is completed with a cill, handle, ventilator, and a 10-year colourfast guarantee on the uPVC—all delivered free to the UK mainland. Unique Features: Three or four door folding configuration; left hand hinged Anthracite grey finish, inside and out Steel reinforced Eurocell uPVC and high security multipoint locking Internally beaded, 28mm double glazed toughened safety glass Independently operated master door Adjustable hinges for easy fitting Concealed mechanism, aesthetically pleasing design U value: 1.4W/m²K, Part L compliant Made in the UK, 10-year colourfast guarantee on uPVC Free UK mainland delivery