There are several types of structural systems that can be used for a rooftop garden:
1. Green roof system: This is a specialized system where a layer of soil, plants, and drainage system are added to the roof to create a living roof. This system requires a lot of planning and expertise.
2. Roof deck system: This system involves adding a deck or a raised platform over the existing roof and then adding soil and plants. This system is generally easier to install and maintain.
3. Modular system: This system uses pre-manufactured planters or modules that are placed on the roof to create a garden. These modules can be easily arranged and rearranged, making this system highly flexible.
4. Hydroponic system: This system involves growing plants without soil, using water and nutrients instead. It can be a good option for rooftop gardens where adding soil is difficult due to weight restrictions.
5. Vertical garden system: This system involves creating a garden on a vertical surface, using trellises, or other support systems. It is a good option for small rooftop spaces, where horizontal space is limited.
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