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Ultimate Solution - full flexibility.

Bi-Folding panoramic door system that offers no compromise in terms of maximizing space. Bring the outdoors in or enjoy great thermal performance and soundproofing. 

Low maintenance and effortless Fold & Slide operation guaranteed by use of top components from VEKA (profiles) and SIEGENIA (fittings). Fully openable sections  up to 6.3 meters wide and up to 7 sections. Wide range of opening options, colours and wood patterns to choose from.

  Patio Space

All Our Premium windows and doors are produced by VETREX Ltd. - one of the leading window manufacturer in Europe. All the components are specially selected to assure highest quality, functionality and energy-efficiency.

Product Description - Patio Space

  • Profile
  • Fittings & Gaskets
  • Glass Types
  • Documentation
  • VEKA Softline 70, 5-chamber 67mm high frame, 5-chamber 80mm high sash, 70 mm installation depth - Class A
  • uPVC sections with outside wall thickness of minimum 3mm meet the highest European standard PN-EN 12608 – A-class.
  • The Multi-chambers technology along with additional galvanized steel reinforcement guarantees high stability, improved safety, weather resistance and perfect acoustic insulation
  • Available in full range of colours and wood patterns


  • SIEGENIA FS-PORTAL PLUS - System with multi-point locking, made by leading German manufacturer

    Need to comply with the following conditions:
    • maximum sash weight: 80 kg
    • maximum width of the door: 6300 mm
    • maximum height of the door: 2500 mm (White), 2400 mm (Colour)
    • maximum leaf width: 900 mm
    • maximum leaf height: 2343 mm
    • maximum number of leafs in the construction: up to 7

  • Aluminium Handle


  • EPDM gaskets with outstanding physical and operational performance. 
    Less susceptible to ageing, high temperatures and other external conditions. Do not break, are ozone-proof and very resistant to: bending, scratching and pressing. Available in variety of colours
  • Energy saving glazing with best possible U values:
    Double glazing unit, 24mm thick, with Ug=1.1(PN-EN673) and warm spacer comes as a standard.
    Triple glazing unit, 36mm thick with Ug=0.7(PN-EN673) and warm spacer also available
  • Special glass also available: Solar Control, Self Cleaning, Noise Protected, Decorative, Patterned and more
  • MASTER THERM warm spacer between glass panes in various colours
  • Secure glazing bars from inside
  • All glass types are fully certified with CE mark
Technical drawing

Technical drawings

Certificate IFT Rosenheim

Certificate IFT Rosenheim

Why choose our windows?

  • Reliability guarantee
  • Quality of services
  • Energy-efficiency
  • Safety
  • Favourable terms of warranty

European Quality Standards

High quality, safety as well as reliability of our products are confirmed by many certificates:

High-end components

All the components are specially selected to assure highest quality, functionality and energy-efficiency:

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