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Sunpark Roofsystem

Based on the desire to integrate solar energy into the built environment, the Sunpark System uses the solar panel as a roof. The framed solar panel provides a solid basis for designing a roof structure that can be used for various purposes. In this way, you use the solar panel not only for energy generation, but also to add value to the space you make available.

To generate energy from your roof, it is desirable that the solar panels are properly cooled. To this end, the Sunpark System is equipped with ventilation openings in the ridge and gutter. The area under the roof is therefore relatively cool. Depending on the application, you can choose solar modules with higher or lower light transmission. The diffuse light that enters through the solar panels provides an excellent view into the interior space.

The Sunpark system is used for parking, storage, cultivation and terraces, among other things. The advantages of this roof are
  • A beautiful play of light under the canopy;
  • A watertight roof with gutters and drainage facilities;
  • A smart construction with minimum material consumption;
  • and an integrated electrical management system for maximum efficiency.
The Sunpark Roofsystem ensures that your investment in sustainability will have a result to be proud of.

1 Parking Roof

Depending on your requirements, the Sunpark Roof can be used for a variety of applications. Parking shelters and utility rooms have different needs than production greenhouses and shade houses. The right combination of solar panels and substructure can be used to tailor the roof to your needs.

With parking roofs, it is desirable to design a large clearance. In order to make optimum use of the space for parking, Robisol has designed a 16-metre grid with a 5-metre section. This makes it possible to park at right angles on two sides with a central aisle of 6 metres. A standard parking bay for angled parking is 5 metres long and 2.4 to 2.5 metres wide. With a space of 5 by 16 metres between the columns, you have enough room for 4 parking bays and the central aisle, so that the column is placed in the far corner of a parking bay. The columns are therefore not a restriction when driving in, out or when opening the doors.

Each substructure has the option of being customised. In car parks, it is often the case that a drive-through is provided at the end of a row. The standard section dimensions are then often extended by an additional underpass beam.

On a 16-metre grid, it is usual to choose either 4 caps of 4 metres or 5 caps of 3.2 metres.

2 Usable areas

For outdoor areas such as logistics rooms, an outdoor department, an entrance hall or a bicycle shed, it is often attractive to orient the gable roofs towards the visible side of the canopy. The substructure with its efficient use of materials consists of one direction with long column spacing and one direction with short column spacing. Because in utility rooms you often want a large free space behind the first visible side, Robisol has fitted its standard designs for utility rooms with a trellis under the gutter. This is an efficient method of construction that can of course also be used for parking shelters and cultivation areas.

In the choice for a lattice under the gutter the roof size of 3.2 metres or 4 metres is relevant, because it is usual to place a column under the gutter. As in the above design, an additional truss can be placed to skip one or more rows of gutters. The length of the span will be determined on the basis of your wishes. In Robisol's standard design we assume a trellis size of 8 metres, because this will make you very efficient in your use of materials.  

3 Cultivation areas

When growing crops, light is of course the most important thing. In the production of tomatoes, peppers and other vegetables, light is used optimally and it is not logical to place solar panels above the crops in the Netherlands. However, there are crops that need less light or that require extra protection from the weather. Examples are bedding plants, ornamental plants or (soft) fruits that need protection from wind, rain, hail and snow.  

In the above example, the DM380G1 panel has been chosen. The cells are spaced a centimetre apart for increased light transmission in a 4-metre canopy. For even greater light transmission choose the DM195G1 panel. The cells are spaced 7 cm apart for extra high light transmission in a 3.2 metre canopy. Less light intensive crops generally thrive under such solar panels because the solar panels provide diffused light.

Our standard design for cultivation spaces is based on a 3.2 metre canopy with 6.4 metres of trellis and 4 metres of section. Many variations on this are possible for both the 3.2 and 4 metre roofs. For new greenhouses, we will always look at the option of placing the trellis under the gutter. When designing a greenhouse with the Sunpark system, no air vents are used. To cool the solar panels, ventilation openings have already been provided in the ridge and near the gutter. This means that air ventilation, dehumidification and insulation must be regulated with screen cloths and/or air handling units. With a single or double transparent screen cloth, the space below the deck functions as an intermediate climate that can be used to refresh and dehumidify your cultivation space. A double screen has the advantage of insulation and prevents cold spots. To further perfect the micro-climate, air treatment units can be placed that mix the cold and often dry air above the screen with the warm moist air in the cultivation space. This way, you get good air circulation with the right air humidity for an optimal growing climate.

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