Made of aluminum frame and a wide range of infill models made of aluminum, everyone will find a door for their dream home, no matter what style it is designed in. This combination ensures many years of trouble-free use. Stylish appliqués and decorative glass add an elegant touch.

Fold Patio Doors.

Application and functionality

  • an exterior folding door gives you a lot of freedom and helps eliminate the barrier between the interior and the environment, providing a perfect, wide passage from the house to the terrace or a passage which joins a café or restaurant with a seasonal outdoor area
  • a remarkably convenient solution in everyday use which guarantees high technical parameters and enables the construction of large structures
  • can be opened both inwards and outwards, with any sash configuration
  • a modern product designed to meet the high demands of users, architects and investors


  • sturdy 3-chamber aluminium sections with a structural depth of 3.38 inch for frames and 3.03 inch for door leaves
  • central section chamber with 0.94 inch wide thermal breaks for frames and 1.33 inch wide thermal breaks for door leaves ensures high thermal insulation properties
  • specialist hardware for the comfortable functioning of door leaves with a maximum weight of up to 220lb
  • large permissible dimensions for doors enabling door heights up to 106.29 inch and widths up to 39.37 inch
  • different versions of threshold solutions: classic
    – with swing seal or comfortable to use – with a low threshold


  • wide range of glazing from 0.55 inch to 2,42 inch, allowing both single and double glazed sealed units to be used,
  • optional specialised glazed sealed units with increased sound insulation or burglar resistance
air permeability up to class 4, EN 12207
watertightness up to class 9A (600 Pa), EN 12208
thermal insulation Ud from 1.5 W/(m²K)*
wind load resistance class C1, EN 12210


With OKNOPLAST, embellishing your interior requires attention to the smallest detail. Of course, the color, material and shape of the uPVC window are all important when choosing. But let’s not forget the accessories.


A variety of more than 50 colors in any combination of your choice are available for both indoors and outdoors. High-performance multi-layer film that is weather and UV-resistant retains its gloss throughout its life.

Get a personal consultation.

For all questions, problems, and suggestions find an OKNOPLAST expert near you and ask for a quote.