Cortizo 4700 Sliding Door

The 4700 sliding door system offers superb contemporary styling and robustness while also maximising natural light. Modern and practical, this system creates a seamless transition between indoor and outdoor spaces while delivering energy efficiency and thermal retention. This system is a more economical choice which balances style and affordability.

U-value of 1.1 W/m²K
Stainless steel rails allow for ultra-smooth sliding
Maximum glazing thickness of 34mm
Double and Triple Glazing options available
47mm interlock profile
Maximum sash width of 2200mm and height of 2600mm
Maximum sash weight of 280kg

Aluminium sliding doors in a modern bedroom with scenic views.

Elegant aluminium sliding doors with large glass panels.

Technical Specifications
Colours & Finishes

Technical Specifications

Maximum glazing thickness
34 mm
Opening possibilities
Sliding of 2, 3, 4 & 6 sashes
Possibility of 1 rail (1 sash+ 1 fixed)
Possibility of 3 rails
Possibility pocket solution 1, 2 & 4 sashes
Sections
Frame 120 & 115 mm
Sash 50 mm
Profile thickness
Balcony 1.5 mm
Polyamide strip length
20 & 25 mm
Maximum dimensions/sash
Width (L) = 2,500 mm
Height (H) = 3,000 mm
Maximum weight/sash
280 kg

Please consult regarding maximum weight and dimensions for other opening types

Finishes
Possibility of dual colour systems
Colour powder coating (RAL, mottled and rough)
Wood effect powder coating
Anti-bacterial powder coating
Anodised

Glass Options

All our Cortizo sliding doors are available with a choice of high-performance glazing to suit your project requirements:

Double-glazed sealed units — standard specification for thermal efficiency
Triple-glazed units — enhanced thermal and acoustic performance
Acoustic laminated glass — for noise reduction in urban and roadside locations
Solar control glass — reduces heat gain and glare while maintaining natural light

We specify the optimal glass configuration for each project based on thermal performance, acoustic requirements and Building Regulations compliance.

Aluminium sliding door frame with glass panels for smooth outdoor access.

Colours & Finishes

Our Cortizo sliding doors are available in three premium finish categories — anodised, matt RAL and textured RAL — with dual-colour options allowing a different finish inside and outside. Woodgrain foil finishes are also available for a natural timber-effect appearance.

Popular RAL Colours

RAL 7016 Anthracite Grey
RAL 9005 Jet Black
RAL 7021 Black Grey
RAL 9010 Pure White
RAL 9001 Cream White
RAL 7012 Basalt Grey
RAL 7022 Umbra Grey
RAL 6009 Fir Green
RAL 8014 Sepia Brown

Any standard RAL colour is available to order. Slimline sliding doors are often specified with a matt or textured finish in darker tones to maximise the contrast between frame and glass.

FAQs About Cortizo 4700 Sliding Doors at Direct Trade Windows

What makes the Cortizo 4700 Sliding Door unique?

It combines slim aluminium profiles with large glazed panels, delivering a modern, minimalist look while ensuring excellent thermal and acoustic performance.

What sizes are available for the Cortizo 4700?

Panels can be made up to 2.5m wide and 3m high, with configurations to suit both small and expansive openings.

Is it available in different finishes?

Yes, you can choose from a wide range of powder-coated colours, dual-colour options, anodised finishes, and realistic wood effects.

How energy efficient is the Cortizo 4700?

With Uw values from 1.0 W/m²K, it offers excellent insulation to help maintain a comfortable indoor temperature year-round.

Can it be used for both residential and commercial projects?

Absolutely – its sleek design, durability, and performance make it suitable for homes, apartments, offices, and hospitality settings.

What configurations are available?

Options include in-line sliding, lift-and-slide, multiple rail tracks, and pocket sliding for a completely hidden panel when open.

Is it secure?

Yes, the system can be fitted with high-security locking mechanisms and toughened or laminated safety glass.

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Cortizo 4700 Sliding Door