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JUNA – irregular shape greenhouse

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JUNA - a multi-purpose garden structure with asymmetrical roof construction: a greenhouse, an orangery, or... a cafe!

One side wall of JUNA model is +20 cm higher than the other. Due to the subtle shape of the structure, it stands out from other traditional greenhouses. It is a multi-functional garden structure ideal for growing your favourite flowers, vegetables, herbs, wines and for resting, creating or celebrating.


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Sturdy structure. The structure is made of closed-type aluminium profiles, therefore it is strong and stable.

Large space. Gutter height of one side wall is 181 cm (including H-14,5 cm aluminium base) while the other wall is +20 cm higher. The whole structure can be heightened by additional +20 cm or +30 cm.

Glazing. 4 mm safety tempered glass or/and 10 mm polycarbonate. We offer a possibility to use different glazing types in the same greenhouse: for example, the roof can be glazed with a polycarbonate, while walls – with a glass (or in any other combination).

Door. Single sliding-type door (W-85 cm x H-170 cm) is typically installed in front side of the greenhouse, but it can also be installed in any other side.

Base. Special integrated aluminium base, H-14,5 cm (standard offer) or H-5 cm (for on-wall type greenhouses).

Windows. Large (73 x 82 cm) windows installed in the roof (standard offer) or / and walls assure good ventilation. 

Colour. Standard offer – natural aluminium (non-painted). By client’s request the structure of the greenhouse can be powder coated in any RAL colour (additional fee applies).

Other features. Rain water and condensation gutters and rain water downpipes come as a standard feature.

Juna siltnamio brezinys

Fig. General JUNA greenhouse model.


Juna greenhouse measurements

  • 10 mm polycarbonate (clear)
  • 4 mm frosted texture glass
  • 4 mm tempered glass

Robust aluminium structure

Frame of the greenhouse is made of closed type, solid aluminium profiles. Fasteners (bolts and nuts) – of stainless steel. The whole construction is stable and strong. Aluminium is a light but strong, durable metal. It does not rust, is resistant to moisture and sun, does not require any special care.

Much attention is paid to finishing elements and aesthetics.

The structure is fully prepared for self-assembly (detailed assembly instruction is included in the package). There is no need to drill, cut or press anything when assembling the greenhouse.

High and spacious greenhouse

When choosing a greenhouse, it is important to consider the height of its side walls. The higher the walls, the more space inside the greenhouse. This not only provides more necessary space for the plants, their arrangement, ensures better air circulation inside the greenhouse; in such a greenhouse it is more comfortable to both work and rest.

The standard height of the sidewalls of the “Ventus” model greenhouse is 1.81 m. If you want an even higher greenhouse, order with a +20 or + 30 cm higher side wall (the overall height of the greenhouse, door passage height also changes accordingly). Possible sidewall heights of “Ventus” greenhouses: 1.81 m (standard offer), 2.01 m, 2.11 m.

Save space on the plot by taking advantage of the height of the greenhouse: don’t plant more seedlings – allow the plants to grow to the maximum upwards (eg tall tomatoes, cucumbers, vines, other); attach large, sturdy shelves to the side walls for potted plants, strawberries, lettuce, herbs.

The higher greenhouse fits nicer to the overall garden environment.

Greenhouse frame colour

The general aesthetic appearance of greenhouses is greatly influenced by their shape, glazing and especially the colour of the structure. While natural aluminium (mill finish – unpainted) greenhouses remain the most popular, colour frame greenhouses are popular as well.

The profiles in the standard greenhouse set are mill finish (unpainted). By the customer’s request, for an additional fee, we will offer all frame profiles powder coated (Qualicoat technology) in the desired colour of RAL palette.

Greenhouse windows

Large windows (73×82 cm) ensure good ventilation of the greenhouse. The windows can be installed on the roof (standard option) and / or in any wall of the greenhouse.

If necessary, you can purchase an additional window separately.

We recommend to purchase automatic window vents (see accessories for the greenhouse).

Gutters and downpipes

Rainwater and moisture condensate gutters and rainwater downpipes are integrated in the greenhouse construction. All rainwater flowing from the roof will be collected and will run out through two downpipes. It is convenient to direct this stream to special water tanks and thus provide water for watering the greenhouse plants.

A standard “JUNA” set comes with a robust, stable single sliding door with handles. Position of the door – in the lower front segment. 

Other door type / number available:

  • Double or single,
  • Sliding or turning.

Šiltnamio durys Gardenis

By a client’s request (in advance), the door of our greenhouses can be prepared for installation in any side of the greenhouse.

A standard set of “JUNA” includes a special aluminium base. It can be fixed to the ground by special aluminium anchors (“legs”) or attached to an existing pavement (eg, blocks, tiles, bricks, stone, etc.).

Concrete or brick foundation is not necessary on the entire perimeter of the structure. However, if you want to build “Ventus” on a concrete or masonry foundation, then we will offer another type of base profile – a “plate”, that evenly covers the surface of your foundation and thus protects the it from the negative effects of rain or ice. Greenhouse construction remains robust and stable.

kaip irengti siltnamio pamatus Gardenis

(information will be updated soon)


Prices – in euros, including VAT, excluding delivery, assembly.

Standard features:

– Construction: aluminium with integrated alu base
– Glazing: 4 mm tempered glass / 10 mm polycarbonate
– Side wall H-1.81/2,01 m (if H-2.01/2,21 m, + 10%)
– Single sliding door, windows
– Integrated rainwater and condensate gutters, downpipes – 2 sets
– Stainless steel fittings
– Standard and custom sizes
– Quality certification: CE 1090-3, ISO 9001:2015, Qualicoat


Alu shelf W20 cm

Greenhouse shelves allow for optimum use of the greenhouse space, and more efficient storage of plant care products.

Alu loops

Perfect for stringing up tomatoes, cucumbers and other vine plants in your greenhouse

Automatic window opener

Save yourself time and effort - fit automatic vent openers in your greenhouse.

Extra windows, doors

When more intensive ventilation in your greenhouse is needed

Alu tubes

A convenient way to tie plants in the greenhouse.

Potting bench

A potting table in your greenhouse provides you with an organised work space to sow seeds, prick out seedlings and re-pot plants.

Alu shelf – frame

Make the most of your greenhouse space. Comfortable greenhouse shelves for plants, order, convenience, coziness.

Any questions?

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