![]() In summary, intensive green roofs are characterised by deeper soil profiles and a wider variety of plant species, offering greater design flexibility, recreational opportunities, and ecological benefits but requiring more maintenance and investment than extensive green roofs. Whether as an extensive green roof on the garage, carport or summerhouse or an intensive green roof with a utilisable terrace on an apartment house - there are. They are often implemented on larger buildings, such as commercial or institutional structures, where the added benefits and aesthetic value justify the investment. Integration of walkways, terraces, driveways or play areas, ponds etc. They are suitable for lawns, perennial plants and with a deeper layer of growing medium, for shrubs and trees. While many of the benefits of extensive green roofs apply to intensive green roofs as well, extensive roofs are strictly designed with these benefits in mind, while intensive roofs are generally built for other reasons. However, due to the additional weight and maintenance requirements, intensive green roofs are typically more expensive to install and maintain than extensive green roofs. Intensive Green Roofs are more elaborately designed roof landscapes, such as accessible roof gardens. Extensive green roofs are primarily designed to achieve an array of environmental benefits as discussed below. They can also help with energy efficiency by providing additional insulation for the building. They provide increased stormwater retention and absorption capacity, contribute to better air quality and noise reduction, offer more habitat opportunities for wildlife, and can create inviting spaces for human use, such as rooftop gardens or recreational areas. Intensive green roofs offer several benefits beyond those provided by extensive green roofs. ![]() ![]() Access to the roof may also be necessary for maintenance activities. Intensive systems allow the designer to create a park-like setting so they are the best option for roof gardens that will be occupied. They often incorporate irrigation systems and regular pruning and trimming and may require regular fertilisation and pest control. Intensive green roofs require the deepest soil and have the greatest impact on the structural design, but they also accommodate all types of plantings including large shrubs and trees. This creates a more lush and diverse green space resembling a traditional garden setting.ĭue to the deeper soil and more complex vegetation, intensive green roofs require more maintenance and irrigation than extensive green roofs. The deeper soil allows for a more extensive root system, enabling the growth of larger plants, including small trees and shrubs. Intensive green roofs are more similar to traditional gardens and landscapes, with a greater emphasis on aesthetics and recreational use. Unlike extensive green roofs, which have shallow substrate layers and low-maintenance vegetation, intensive green roofs have deeper soil profiles, typically ranging from 6 to 24 inches (15 to 60 centimetres), which can accommodate a wider variety of plant species. An intensive green roof, also known as a rooftop garden or a high-profile green roof, is a type of green roof system designed to support a diverse range of vegetation, including trees, shrubs, perennials, and even lawns.
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