Aluminium Sliding Patio Doors
To offer our customers high quality, high performance aluminium sliding patio doors, we offer products based on systems from CORTIZO. This includes CORTIZO 4700 doors, which are detailed on this page, as well as CORTIZO COR Vision ultra-slim aluminium sliding patio doors which you can learn more about here.
Why we choose CORTIZO
CORTIZO is a vertically integrated Spanish manufacturer of aluminium windows, doors and facades with nine production facilities and operations in over 31 countries around the world.
It is respected internationally for producing premium quality systems that combine stunning aesthetics with equally attractive functional benefits.
By combining our extensive fabrication expertise and technology with CORTIZO systems, we are able to offer you aluminium fenestration solutions that are quite simply second to none.
CORTIZO 4700 Image Gallery
CORTIZO 4700 benefits
CORTIZO 4700 aluminium sliding patio doors are an attractive choice for both installers and property owners alike. Just some of the many benefits they offer include:
Stunning aesthetics
CORTIZO 4700 sliding doors have a sleek, modern appearance with frame sightlines of just 47mm. This maximises their glazed surface area, ensuring better views of the world outside and flooding interiors with natural light.
Impressive energy efficiency
CORTIZO 4700 aluminium sliding patio doors deliver excellent thermal performance. With a U-value of just 1.1 W/m2K, they comply with Approved Document Part L of the Building Regulations for both new build and refurbishment projects.
Exceptional sound insulation
As part of their ability to contribute to a more comfortable living environment, CORTIZO 4700 aluminium sliding patio doors offer impressive sound insulation. They can deliver acoustic reduction levels of up to 40dB.
Highly Customisable
CORTIZO 4700 sliding patio doors offer you the flexibility of multiple configurations to suit different demands. You can create doors consisting of two, three, four and six-panels. You also have the option of one, two or three opening sashes.
High security
Security comes as standard with CORTIZO 4700 doors. Thanks to their high quality design and construction as well as their use of features such as a multi-point locking system, they meet the rigorous standards required for PAS 24 certification.
Proven weather protection
CORTIZO 4700 sliding patio doors are designed and robustly tested to ensure they offer impressive protection from the elements. They demonstrate exceptional performance in areas including air permeability, watertightness and wind resistance.
CORTIZO 4700 FEATURES
Sash configurations
For greater flexibility, CORTIZO 4700 doors can be created from 2, 3, 4 and 6 sashes.
Sleek modern frame
A slim central interlock and sleek frame provides minimal sightlines with a clean modern aesthetic.
Choice of opening action
CORTIZO 4700 doors are available with a lift and slide or a simple slide opening action.
Large glazed areas
The slim sightlines of CORTIZO 4700 doors maximises glazed areas and light transference.
Track options
The CORTIZO 4700 aluminium sliding patio door offers you the option of double or triple tracks.
CORTIZO 4700 Finishes & Specifications
A wide choice of colours and finishes
CORTIZO 4700 aluminium sliding patio doors can be supplied in any RAL colour and in different finishes including metallic, textured, wood effect and anodized. You can also enjoy dual finishes with one finish on the exterior side of the door and another, different finish on the interior. 
Technical information for CORTIZO 4700 sliding patio door
CHARACTERISTIC
PERFORMANCE / MEASUREMENT
U-VALUE
1.1 W/m²K
AIR TIGHTNESS (PA) (STANDARD THRESHOLD)
Class 4
WATER TIGHTNESS (PA)
Class 7a
WIND LOAD (PA)
Class C5 (Slide) Class C2 (Lift & slide)
SECURITY
PAS 24
ACOUSTIC PERFORMANCE
Rw 40dB
TRACK OPTIONS
Two or three
FRAME DEPTH
120mm double track | 185 triple track
SASH DEPTH
50mm
INTERLOCK WIDTH
47mm
Glazing
28mm double or 36mm triple glazed units
Maximum frame width
6400mm
Maximum frame height
2500mm
Maximum sash height
2500mm
Maximum sash width
2500mm
White
Satin
Chrome
Grey
Black
CORTIZO 4700 aluminium sliding patio door video
Further resources
Where next?
Browse windows
Learn more about Unique’s comprehensive range of both UPVC and aluminium windows that caters for the widest range of tastes and property styles.
Browse doors
At Unique, we offer a huge choice of composite, aluminium and UPVC doors to suit different applications and apertures. You can learn more about our door range here.
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