Roof garden becomes one solution for those of you who do not have enough land to be used as a garden. The roof garden concept aims at giving out green shades for the home. The roof garden has also become a trend in dealing with the issue of global warming and the green movement that is now popular in the world. It works as the temperature control (roof garden serves as insulation and absorb solar radiation so it that it can lower the temperature of the environment which ultimately lowers energy consumption). Here are several tips you need to consider when designing your dream roof garden:
- Make sure the roof can hold the growing media, plants, garden elements (benches, lights, gazebo, pergola), utilities (drainage pipes, installation of lights & water), and human activities on it. You can reduce the load of the structure by using lighter growing media such as a gel mixture, coconut husks, stems of ferns, seaweed, and charcoal. Sprinkle mulch to reduce evaporation. Place heavy plants, such as trees / large shrubs just above the column.
- Plan your garden. It is suggested that you maintain the shades of the garden so that it can function to reduce the heat in the room below. In addition to the tree, you can use the pergola, gazebo and canopy.
- To reduce the heat, you should close the roof surface with a material that can absorb heat like grass or rubber tile. Water surface such as a pond or water garden can also be an option.
- Growing media thickness varies from 20 cm (grass & border), shrub 30-50 cm up to 80 cm (shrub / seedling vegetative tree). To reduce the load on the structure, use planters for plants that need thick planting medium.
- Make the roof waterproof. Use pumice / coral which are then added by geo-textile layer. Add the growing media to the layer, and you are ready to plant. After planting, give rice husk mulch / bark.
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