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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 favorite flowers, vegetables, herbs, and wines for resting, creating, or celebrating.


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Sturdy structure. Strong and stable. Made of closed-type solid aluminium profiles.

Large space. The 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 structure can be heightened by an additional +20 cm or +30 cm.

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

Door. A single sliding-type door (W-85 cm x H-170 cm) is typically installed on the front side of the greenhouse, but it can also be installed on 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 on the roof (standard offer) or/and walls assure good ventilation. 

Colour. Standard offer – plain aluminium (mill) finish. By the client’s request, the structure of the greenhouse can be powder coated in any RAL colour (an additional fee applies).

Other features. Rainwater and condensation gutters and rainwater downpipes come as a standard feature.


Juna siltnamio brezinys

Fig. General JUNA greenhouse model.



– The prices indicated below are for a standard greenhouse set of a standard size (W x L x H), mill finish aluminium frame with 4 mm clear tempered glass or 10 mm clear polycarbonate, with integrated aluminium base, condensation and rainwater gutters, downpipes, single sliding door, roof windows.
– Painting the structure in RAL colour (powder coating, Qualicoat technology) costs extra (see the last column).
– Delivery services cost extra, and are quoted separately; the price depends on the ordered greenhouse size and distance to the delivery address. 

Greenhouse “Juna” prices:

JUNA 309 greenhouse prices

JUNA 383 greenhouse prices

For more useful information visit our F.A.Q. (Frequently asked questions) section.

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

Robust aluminium structure

The 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, and 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, and their arrangement but also 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, and door passage height also change 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 plain aluminium (mill) finish greenhouses remain the most popular, colour frame greenhouses are popular as well.

There is a choice of plain aluminium (mill) finish or powder coating in any RAL colour.

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 on any wall of the greenhouse.

If necessary, you can purchase an additional window separately.

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

Gutters and rainwater downpipes

Rainwater and moisture condensate gutters and rainwater downpipes are integrated into 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


– Alu shelf W-20 cm

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

– Alu loops

Convenient and effective greenhose accessory to tie up tomato, cucumber, vine or any other plants or small decorations

– 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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