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Folding Aluminum Foldline Door

Folding Aluminum Foldline Door

Meets the Green Savings Subsidy
  • suitable for terraces, conservatories, cafes and modern commercial spaces
  • possibility of wide opening without fixed posts — up to 8 wings
  • very good thermal insulation and high stability of the structure
  • quiet and smooth running of wings up to 120 kg
  • variable configuration — opening inside and out, low threshold
  • Are you interested?

    Take advantage of the possibility of a non-binding quote, consult with our expert or visit one of our showrooms where our professional colleagues will take care of you.
    Our Showrooms

    FoldLine folding doors are a solution for rooms where it is desirable to open the interior to the outside as much as possible. The individual wings fold smoothly to the side, creating a wide passageway that connects the house to the garden or commercial space with an outdoor patio.

    The system is based on the MB-86 platform, which is known for its high strength, insulation parameters and long service life. FoldLine enables larger wing formats, variable opening directions and a wide range of glazing types — from standard to acoustic and safety.

    With its sleek design, smooth running and minimal maintenance requirements, the FoldLine is suitable for both family homes and modern commercial spaces where flexibility and a visually clean solution are important.

    Frame construction depth 86 mm/ wing 77 mm

    Glazing from 13.5 to 61.5 mm

    Thermal insulation thanks to 24-34mm partitions in profiles

    Maximum wing weight 120 kg

    Maximum wing height up to 3000 mm

    Maximum wing width 700—1200 mm

    Possibility of up to 8 wings and panoramic sets

    Low thresholds available for comfortable passage

    Shades of gray

    Wooden decking

    Colours ARTEVO

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    colours

    Aluminum

    Handles for sliding doors square

    Handles for sliding doors round

    Product inquiry

    Grazie! Your submission has been received!
    Omlouváme se! Došlo k chybě při odesílání.

    Non-binding request within 5 minutes

    Enter the basic parameters and get an approximate calculation. Quickly, clearly and without commitment.

    Příloha (např. projektovou dokumentaci, zákresy nebo fotografie)
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    Osobní přístup

    Dva muži a žena se usmívají a mluví s dívkou s copánky přes otevřené okno.

    Frequently Asked Questions

    What are the options for colors, décor and accessories?

    SULKO offre:

    • wide range of RAL colours for aluminium
    • decor film for plastic windows (wood, modern shades of gray, anthracite)
    • different types of glazing (safety, insulating, noise-proof)
    • handles, handrails, window sills, nets, shading technology

    We will recommend solutions according to the type of construction and architectural style.

    What if I have a technical question or want to check compatibility?

    Stačí nás kontaktovat — technické oddělení vám poskytne:

    • doporučení typu profilu
    • informace o statice
    • vhodnost pro pasivní a nízkoenergetické domy
    • detaily k montážním postupům
    • možnosti atypů
    What materials does SULKO make windows and doors from?

    SULKO products are offered in several material solutions:

    Plastic (PVC)

    • high thermal insulation
    • simple maintenance
    • excellent performance/price ratio
    • long service life without the need for coatings

    Aluminum (ALU)

    • maximum strength and stability
    • possibility of large glazed areas
    • premium look
    • minimal maintenance

    Composite (ARTEVO)

    • appearance of aluminum at a more affordable price
    • superior strength and rigidity
    • High-end insulation
    • maintenance-free material of the next generation

    Each material has its advantages and we will be happy to recommend a solution suitable for a specific project.

    Do you provide a non-binding calculation?

    Yes, a non-binding quote is standard. After filling in the form, the dealer will contact you, discuss the specification with you, recommend a suitable solution and prepare an accurate calculation — including the approximate price of the assembly.

    What is the procedure when I want to order SULKO windows?

    The process is simple and fully framed by care:

    1. Submit a request or call.
    2. You will be contacted by an expert technician or trader.
    3. We will conduct a survey and recommend the appropriate solution.
    4. We will prepare a quotation with exact parameters.
    5. After approval, we will start production in Zabra.
    6. We schedule the assembly with our certified team.

    From the first consultation to installation, you always have One contact person.

    How do I know if my SULKO windows seal correctly?

    You can verify the correct operation by simply:

    • the window goes smoothly open and close
    • when closed, the sash presses evenly
    • you do not feel drafts
    • glass does not corrode from the inside with proper ventilation
    • downforce can be adjusted at any time

    Part of our services is the possibility to order professional tightness check Even after years of operation.

    Do you have other questions?

    Feel free to contact us for more information.

    Lidé mluví kolem vysokých stolů uvnitř moderního výstavního stánku s nápisem SULKO pokrytým zelenými rostlinami.
    Dva muži prohlížejí různé vzorky okenních rámů a klik v moderní vzorkovně.
    Muž v obleku ukazuje na graf na velké obrazovce v kanceláři.
    Detailní záběr na vzorky okenních profilů s různými kovovými klikami a izolačním sklem na výstavní stěně.
    Modern interiérový prostor s vystavenými čtyřmi vzorky okenních rámů na šedé zdi ozdobené zeleným mechem.

    Visit our showrooms

    Get to know our products live and get advice from experienced specialists. In SULKO showrooms you can try different types of windows, doors and accessories and get recommendations for your project.