Extensive Green Roof Soil Mix

8 to 20 per square foot.
Extensive green roof soil mix. Examples of extensive green roofs. With a full line of standard rooflite soil products including regional and project specific blends you can trust us to have the perfect soil for your project. At the time of this writing the roof is well into a third. For example a traditional intensive green roof system for plants and grass featuring at least six layers including soil filter fleece drainage layer and vegetation is.
It is not meant to be a complete list. 20 for particle integration. The ideal growth medium for extensive green roof systems with hardy and drought tolerant vegetation. 15 to 50 per square foot.
The bronx county courthouse features a 1 inch drainage layer with a 2 5 3 inch deep growing medium profile the green roof is composed of a mix of sedums and hardy herbs with a sweeping crescent of small grasses. An extensive green roof is generally defined as a roof with six. A 2006 study by the university of michigan comparing costs of conventional and green roofs showed that on average installing a green roof costs about 22 00 sq. The soil mix is.
The parapet should be 20mm higher than the fi nished garden level. An extensive green roof has a soil depth of three to six inches. What soil mixes are good for green roofs. For a conventional roof.
Section has an industry standard roofing system irrigation system and a proprietary soil mix. Each weight class is. Experts in green roof soil more than a decade of experience. 40 hydrocell flakes 15 composted organic matter 35 10mm scoria 10 7mm scoria by volume.
For the seattle city hall green roof the roof garden soil mix was. Please soil mix layer includes note. Garden roof assembly hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology. Green roof system build up the corso fytogreen system 29 06 15 16.
The two key elements that contribute to weight are the density of the different layers that make up the green roof and how heavy it becomes as a result of rain absorption. Replacing the impervious surface of a conventional roof with. These weight classes are designed to guide you in choosing the best option for your project based on your weight requirements. Detailed information on each of these elements is provided below including the results of ongoing plant census data.
Rooflite extensive is a product line that is available in different saturated weight classes. 55 permatill 5 16 expanded slate or equal 30 usga root zone sand and 15. All our products are created with our innovative proprietary product development process which is designed to ensure high quality soil that meets established industry.