Cortizo – Sliding systems for architecture

Lift-and-slide doors - Perfect weathertightness

Elevate your architectural vision with Cortizo’s premium sliding systems. Designed to merge indoor and outdoor spaces seamlessly, our range combines ultra-slim aluminium profiles with exceptional thermal performance. From the minimalist COR Vision series offering maximum luminosity to high-capacity motorised solutions, these systems provide the perfect balance of aesthetic elegance, advanced security, and effortless functionality for the modern home.

sliding door – Premium Aluminium Windows & Doors | NN Concept Ltd

COR Vision Plus +

Sliding systems of large dimension with sashes of up to 4 metres, interlock sightline of only 25mm, and frames embedded in the perimeter. Excellent thermal and acoustic performances. Manuals or motorised option of up to 700kg opening system.

cor vision – Premium Aluminium Windows & Doors | NN Concept Ltd
Feature Value
Interlock Sightline Ultra-slim 25 mm
Max. Sash Dimensions 4000 mm x 4000 mm
Max. Leaf Weight Up to 700 kg (Manual or Motorised)
Glazing Capacity 36 mm – 56 mm
Opening Configurations 2, 4 or 6 sashes; up to 4 rail configurations
Thermal & Acoustic Excellent performance with embedded perimeter frames
Accessibility Designed for barrier-free access
vplus 1 – Premium Aluminium Windows & Doors | NN Concept Ltd
vplus nnconcept2 – Premium Aluminium Windows & Doors | NN Concept Ltd

COR Vision +

Thermally broken minimalist sliding system that provides max luminosity with a minimal aluminium interlock profile. It has an elegant design of 20mm sightline and offers the possibility of an inlaid closing system and hiding the frame along perimeter.

cor vis1 – Premium Aluminium Windows & Doors | NN Concept Ltd
cor vis2 – Premium Aluminium Windows & Doors | NN Concept Ltd
Feature Value
Interlock Sightline Minimalist 20 mm
Max. Sash Dimensions 2500 mm x 3000 mm
Max. Leaf Weight Up to 320 kg
Glazing Capacity 26 mm – 30 mm
Opening Configurations 1, 2 or 3 rails; Pocket door possibility
Sash Depth 37 mm
Design Elegant inlaid closing system with hidden frames

4600 Plus Lift&Slide +

The new 4600 Plus Lift&Slide allows for covering large openings while ensuring exceptional thermal insulation. It’s 80mm deep sashes and special polyamides allow it to achieve a Uw transmittance of just 0.65W/m2k, which is one of the best on the market right now.

Perimeter interlock profile is reduced to 120mm, allowing for bigger glazed surface.

cor4600 – Premium Aluminium Windows & Doors | NN Concept Ltd
Feature Value
Thermal Insulation (Uw) Exceptional values from 0.65 W/m²K
Max. Sash Dimensions 3300 mm x 3500 mm
Max. Leaf Weight Up to 400 kg
Glazing Capacity 22 mm – 65 mm
Interlock Profile Reduced to 120 mm for larger glass area
Sash Depth 80 mm
Finishing Options Dual-colour systems available
cor4600 2 – Premium Aluminium Windows & Doors | NN Concept Ltd
cor4600 3 – Premium Aluminium Windows & Doors | NN Concept Ltd

4900 Sliding HI+

Standard sliding system with hinged features, offering great thermal and acoustic properties. Glazing capacity of up to 36mm and thermal break zone of 34mm. Interlock section of 35mm and straight lines, allowing the sashes to cross over thanks to the integrated handle with multi-lock system.
cor4900 3 – Premium Aluminium Windows & Doors | NN Concept Ltd
Feature Value
Interlock Sightline Slim 35 mm with straight lines
Max. Sash Dimensions 2200 mm x 3000 mm
Max. Leaf Weight Up to 240 kg per sash
Glazing Capacity 24 mm – 36 mm
Thermal Break Zone 34 mm polyamide strips
Security Integrated handle with multi-lock system
Opening Configurations 2, 3, 4 or 6 sashes; Pocket door possibility
cor4900 1 – Premium Aluminium Windows & Doors | NN Concept Ltd
cor4900 4 – Premium Aluminium Windows & Doors | NN Concept Ltd

4200 Sliding +

Standard sliding system with great versatility and straight or curved aesthetics, 45° or 90° sash encounters and various frames according to each configuration. This version allows the total,opening of the span with the pocket possibility solution, complete;y concealing the sashes in the masonry wall’s chamber.

cor4200 3 – Premium Aluminium Windows & Doors | NN Concept Ltd
Feature Value
Versatility Pocket system for 100% opening (concealed in wall)
Max. Leaf Weight 100 kg (45° encounter) / 200 kg (90° encounter)
Glazing Capacity 9 mm – 26 mm
Aesthetics Straight or curved profile options
Sash Joints Available with 45° or 90° sash encounters
Opening Configurations 2, 3, 4 or 6 sashes; 3-rail option available
cor4200 1 – Premium Aluminium Windows & Doors | NN Concept Ltd
cor4200 2 – Premium Aluminium Windows & Doors | NN Concept Ltd

Poptávkový formulář

Po odeslání poptávky Vás budu kontaktovat v nejbližší možné době.