Cortizo Aluminium Sliding Doors

A wide range of styles from Cortizo, to suit any home

If you are looking for a premium double-glazing solution to enhance your home or commercial space, Cortizo sliding doors provide a seamless indoor-outdoor connection. They transform your living or working environment, making it feel more expansive, light-filled, and inviting.

Renowned for their elegant aesthetics and superior performance, these doors are produced by Cortizo, a leading UK and European manufacturer. Cortizo specialises in high-quality aluminium systems, encompassing windows, doors, and enclosures that blend innovation with durability.

Cortizo sliding doors deliver a minimalist and modern profile, featuring ultra-slim aluminium sections that prioritise a clean lines and allow abundant natural light to flood your property. With a central junction as narrow as 20 mm and the option for concealed perimeter frames, they create uninterrupted views and a sophisticated finish.

Engineered as a lasting enhancement, these doors boost the value and allure of your home or business premises for years to come.

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Smooth and effortless operation

Cortizo sliding doors glide with remarkable ease, ensuring accessibility for everyone in the household or workplace. Their advanced sliding mechanism supports single, double, or triple-track configurations, enabling smooth transitions that open up vast expanses of space without obstruction.

Available in versatile setups, including 90° corner junctions without mullions and innovative pocket systems for fully recessed sashes, they adapt to diverse architectural needs. Sashes can reach impressive dimensions—up to 2500 mm wide and 3000 mm high—with a maximum weight of 320 kg per sash. Choose from concealed locking for seamless sash crossing or central junction locking that hides sashes from the front view, enhancing the sleek appearance.

With slim 37 mm sashes and frames of 116 mm or 182 mm depth, these doors offer some of the most discreet profiles on the market. Low-threshold options promote barrier-free access, while robust profiles ensure reliable operation even in demanding conditions.

Energy efficient & noise insulation

In an era where sustainability matters, the thermal performance of installed products is paramount. Cortizo sliding doors incorporate insulated aluminium profiles with thermal breaks, featuring polyamide strips of 16 mm or 24 mm for optimal efficiency.

They support double- or triple-glazed units up to 30 mm thick (minimum 26 mm), achieving U-values as low as 1.3 W/m²K. This superior insulation maintains steady indoor temperatures throughout the seasons, promising reduced energy costs and a greener footprint.

Cortizo integrates cutting-edge technology to deliver exceptional acoustic isolation, with Rw values up to 41 dB, fostering a serene atmosphere ideal for relaxation or focused work.

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Tested for performance

Every Cortizo product undergoes rigorous testing at dedicated technological centres under controlled conditions, verifying top-tier water tightness (Class 7A), wind resistance (Class C5), and air permeability (Class 4). These doors are built to withstand diverse climates, guaranteeing unwavering comfort and reliability. A comprehensive 10-year guarantee provides peace of mind.

Security is paramount, with multipoint locking systems and robust shootbolt mechanisms on sashes for enhanced protection. Compliant with PAS24 standards and all relevant Building Regulations, they adhere to stringent industry safety protocols.

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