Flat Roof Greenhouses |
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Flat Roof Greenhouses Designs: |
Standard house widths 24' (7.3m), 30' (9.14m) , 31'-6"(9.6m)
Designs available for one or two separate roof systems
One retractable roof
One stationary, one retractable
Two retractable roofs
Roof heights up to 20', (6.0m)
Designs available up to 120 mph winds (193 kph)
• Improve crop quality and reduce growing times by providing cold protection, shade and cooling using the same roof covering
• Houses in operation for over 18 years
• Have withstood hurricanes, and hailstorms
• Roofs can be operated in high winds
• Roof covering lasts 6 to 10 years
• Standard house widths: 24ft, 30ft (7.3m, 9.14m)
• Roof heights: 12ft, 14ft, 16ft, 18ft (3.65m, 4.3m, 4.87m, 5.5m)
• Roof closing time: 4 ft per minute
• Maximum sq ft per motor: 90,000 (8,350m)
• Maximum wind load available: 110 mph (180km/h) with the roof closed
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Three Roof Position |
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| Roof completely retracted |
Roof completely closed |
Roof closed 85% |
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The sidewalls |
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The walls that have motorized roll up curtains can be automatically:
opened:
for ventilation when it is raining
to expose crops to wind when it is beneficial
to improve ventilation when the roof or curtain system is closed 85% for heat reduction
closed:
to protect plants from cold/ rain or snow
to protect plants from excessive wind
to help prevent drift when overhead irrigating or spraying
If crops require protection from insects, stationary insect net can be installed on the outside of the roll up curtain openings.
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Roof coverings: |
clear woven polyethylene
white woven polyethylene
insect net
black shade cloth
blackout
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One retractable roof using clear polyethylene roof for protection from winter cold and summer heat. The clear roof can be left closed during cold days while still allowing good light transmission., and helps prevent overheating of soil temperatures on hot sunny days
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One retractable roof using white polypropylene for winter cold protection and summer shade.
Crops can be protected at night from cold. On hot sunny days, the white roof provides increased shade and cooling for low light/ low temperature crops.
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One retractable roof using black fabric for photoperiod control.
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One retractable roof using black shade cloth for low light crops which do not need protection from cold.
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Stationary black shade cloth and retractable greenhouse roof for low light crops that benefit from extra light and temperature control.
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Retractable greenhouse roof with retractable black shade for crops that need enhanced control over light and temperatures. Heat loss at night can be reduced by closing the black shade cloth
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Back to
Retractable Roof Greenhouses |