Light penetration

• (+/ -) 4 polycarbonate sheets are not easy to look through. This actually improves with 6 and 10 mm polycarbonate where you are able to actually see the plants.
• (-) In the spring when there are few hours of light, the plants may suffer from the absence of light. This can be adjusted with artificial light.
• (+) You do not need extra shade using shade curtains or shade pasta.

Temperature

• (+) During summer when the sun gets really hot poly protects not only against the sunrays, but it also stabalises the core temperature of the greenhouse whcih provide your plants the best growing conditions.
• (+) Provides less radical temperature de/increases and extends the greenhouse season with 1-2 months compared to a greenhouse with glass.
• (-) Greenhouses with polycarbonate are often better isolated than greenhouses with glass. This leads to the emergence of a greater humidity because window operators opens later than a greenhouse with glass. This can be solved by frequent ventilation.
• (+) Heating of a greenhouse with polycarbonate is cheaper than a greenhouse with glass. To overwinter plants, 10 mm polycarbonate is recommended.

Durability

• (+) Polycarbonate sheets have a UV protected surface against the sun's destructive rays. Juliana provide a 10-year warranty against yellowing of the plates.
• (+) Polycarbonate sheets can easily tolerate small stones from lawnmowers, falling branches or children playing. So enjoy that extra safety in your garden.
  

Assembly

• (+) polycarbonate sheets are easy to install, there are no sharp edges that can cut on.
• (+) polycarbonate is very rarely damaged during transportation.