Action Model
Helios Master

Functional greenhouse

This top model is the ideal hobby greenhouse for the demanding gardener. Ideal for those who love a classic no-nonsense garden greenhouse that above all must be functional.

The equipment of this greenhouse is optimally designed for ventilation: a large number of skylights (depending on the size) in combination with a slatted window. Moreover, the high-quality aluminium ensures that you can enjoy your garden and plants for years without a care in the world.

As this model is available in 5 different sizes, you will be able to choose a conservatory that fits perfectly into your garden.


  • Top-quality tubular profiles for optimal durability
  • 4 mm tempered safety glass
    Up to 7 times stronger than garden glass, which breaks into small, harmless fragments in the event of damage.
  • 1 or 2 sliding door(s) (depending on model)
    Additional door can be ordered.
  • 1 slatted window
  • 2 or 6 skylights (depending on model)

Options & Accessories



Not available


Tag Type Notes Upload date Link
Assembly instructions HELIOS Animation-3D Instructions for assembly based on a HELIOS SENIOR/MASTER (may lead to insight on other models as well) 2023/05/09
Online 3D-configurator Link Configure your JANSSENS-greenhouse online! 2021/03/15
Brochure 2023 Brochure Download brochure 2023 2023/02/28
Foundation drawing HELIOS - EOS Foundation Basic dimensions outside base profile on HELIOS and EOS models 2021/03/17
Assembly instructions HELIOS / EOS Manual-PDF Instructions for assembly as delivered with the product HELIOS and EOS 2022/11/29
Assembly instructions accessories Manual-PDF Instructions for assembly of accessories (not all models) 2022/11/29
Assembly instructions accessories Animation-3D Instructions for assembly of accessories (doors, windows, ...) 2021/03/16
Automatic opener roofwindow Animation-3D Animation automatic opener roofwindow 2020/03/31
Automatic opener louvre window Animation-3D Animation automatic opener louvre window 2020/03/31
Automatic opener roofwindow STORM Animation-3D Animation automatic opener roofwindow STORM 2020/03/31
Mounting video on HELIOS URBAN Video Mounting video on HELIOS URBAN (may lead to insight on other models) 2021/03/17
Foundation detail: corner anchor Video Video on how to anchor the corners in concrete (in limited cases) 2021/03/17
Tip inserting bolt / hooks Video Tip for inserting bolts or hooks after mounting 2021/03/17
  • Gegevens
  • Mechelsesteenweg 388
  • 2500 Lier

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