11/8/2023 0 Comments Eco green roofs![]() ‘Biodiverse (brown) roofs are the most eco-friendly option,’ says Ferris. You might also see reference to brown roofs. These types of roofs are generally found in luxury hotels, public buildings, museums, and other large scale structures that require a strong visual impact.’ ‘Intensive roofs are not common because of their high cost and extreme weight. Intensive green roofs require a high quality irrigation system that would be used regularly to keep them green and lush throughout summer. ‘Intensive green roofs require the thickest soil layer that is suitable for growing trees and large shrubs. Because of the vegetation and substrates utilized, they require greater care than vast roofs. ‘Semi-intensive roofs are frequently employed in high visibility places to improve the visual appeal of a building. This allows you to use a wider selection of more complex plant mixes, such as herbs, blooming plants, taller grasses, and tiny shrubs. ![]() ‘When it comes to semi-intensive green roof systems, a deeper soil layer and drainage solution are required. However, as a rule, they are not used for publicly available zones. ‘Extensive roofs can be built on a wide range of structures: single-detached homes, commercial buildings, and light industrial sites. Sedum, delosperma, and sempervivum are usually used for green roofs because they fit almost any solar level and media depth across the US and are able to store excess water. ‘ Extensive green roof systems are most popular because they are easy to maintain and lightweight. The three general categories are extensive for 1 to 4 inches thick growing media, semi intensive for 4 to 6 inches thick, and intensive for anything thicker than 6 inches.Īs to where each type of green roof might be used, and what it’s planted with, certified roofing technician and House Grail roofing expert Orlando Ferris explains: ‘Green roofs use a specially mixed growing media that acts like soil but is much lighter. ‘Green roofs are broadly labeled based on the thickness of the growing media,’ explains plant expert and specialist in residential living walls Gennaro Brooks-Church of Eco Brooklyn. The main types of green roof systems are extensive, intensive, and the in between semi extensive or semi intensive. Our approach to stewardship is legendary (like, seriously).īottom line: We'll help you envision the perfect use for your space, from giving birds a home to helping those native bees, reducing water waste to creating a sweet outdoor hangout.What are the different types of green roof systems? We’ve built rooftop gardens for homeowners and companies alike. We’ve installed green roofs on top of garages and dozens of stories in the air. With 30 years’ experience under our belt, you’re unlikely to find anyone who knows their stuff better than we do. Either way, and at risk of sounding a little self-satisfied, we dare you to find a more knowledgeable green roof and rooftop garden expert in the Chicago area. ![]() Whichever kind appeals to you more will depend on your particular space and goals. In this scenario, gardeners can plant large shrubs or even trees, for a true rooftop paradise. Intensive: These roofs use growing media or soil anywhere from 6 to 24 inches deep - or even more, though weight is a constraint. The main goal is to manage stormwater, though extensive green roofs also provide cooling benefits, pollinator habitat and protection of the building envelope. That might mean:Įxtensive: In this scenario, the green roof grows in 6 inches of media or less, and typically consists of low-growing succulents, herbs and grasses. ![]() While roof gardens and green roofs come in a fantastic array of styles, meeting a wide range of needs, both comprise a rooftop space that has been transformed into a green system.
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