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I was bidding on a green roof in lower Manhattan the other day and the architect threw out a price of $25-$35 per square foot as a typical price to install a green roof. He is correct that a green roof can cost $25-35/sq.ft. I have even seen really large jobs cost less. There [...] Here is a great graphic showing how green roof construction mimics in a few inches what normal soil does in a couple feet. Plants want water, but not too much. They want something to dig their roots into that also provides nourishment. Showing how the design of successful green-roof systems mimics earth’s natural [...] Here are some spring photos from the Eco Brooklyn Green Show House roof. It is two years old now. We don’t water it. We just let it do its own thing. The soil has thinned out and is only about 2.5″ thick. But we have bushes and plants along with a thick canopy of [...] Most New York green roof installers look towards Europe for green roof plant varieties. Europe has the largest green roof industry and has spent many years testing different plants. Typically a New York green roof installer will specify a selection of sedum native to the high mountains and wild places across Europe, including the Balkan [...] As a New York green roof installer we get asked the same questions by clients considering installing a green roof on their condo building or brownstone. So we decided to answer them here. 1. What does a green roof entail? Pricing? Plant types? Go here for a great overview of general green roof installation [...] As an New York Ecological Landscaper and Contractor, we understand there are ways to plant a garden “smarter” and “greener.” While looking for new evergreen species for the green show house garden at Home Depot, we came across a long list of possibilities, only some of which met our criteria of being native North [...] Interactive designer Marco Castro has recently developed an innovative idea about how to efficiently increase green space in overcrowded urban settings through an interesting new reinterpretation of the term “green vehicle”. The “Bus Roots” project is working to establish rooftop gardens atop buses in New York City and around the country so as to [...] The folks from GardenUp just stopped by the EcoBrooklyn Green Show House to tell us more about their great new products for gardening. They’ve created a simple vertical system based on hydroponic technology that is great for small spaces, easy-to-use and highly efficient – perfect for city living. An example of one of GardenUp’s [...] Being a New York green contractor we consider urban farming to be an important consideration for every project. Given every building has walls and a roof it is always worth asking wither they are well suited for vertical or roof farming. Sub-Irrigation Planting Systems (SIPs) are a perfectly sustainable answer to urban farming, according [...] Here is a great local green builder from the Bronx. His name is Steve Ritz and he is a classic example of how green building is much more than the daily activity. He may grow vegetables but like he says, he is not a farmer. Like so many green builders he is driven by [...] Here is an example of a roof repair we just did. New York City has mostly flat roofs but once in a while we come across shingle slanted roofs. It is important to do shingles right because otherwise the slightest wind will blow them off again. In this case the roof was only a couple years [...] As New York green contractors we follow the latest developments in NY building codes very closely. Yesterday, the New York City Council enacted three proposals from the Urban Green Task Force. The new codes, effective July 1, 2012, mandate more stringent regulation of waste, recycling, and pollutant filtration, representing a step forward for green [...] This week we had CUNY students come by to the green show house. One of Eco Brooklyn’s interns Michele Fonzi, who has a degree in Landscape Architecture, showed the model of our green roof she built. Above you see the side view of the green roof installation. First there is the [...] As a New York green roof installer I have a special affection for my own green roof. Check it out after all these summer rains. It is bursting with life. I threw a couple handfuls of Native North East wildflower seeds a couple years ago and now the roof overflows with sunflowers both big [...] We just finished applying the EPDM roofing membrane to the Harlem Passive House renovation. The owners plan on growing vegetables on the roof. We like EPDM over all other roofing applications because it has a good combination of price and durability. A recent study lists Styrene as a possible carcinogen. This is important news since one of Eco Brooklyn’s green roof medium providers, Gaia Soil, has polystyrene as one of its main ingredients. Our concern is that we are installing green roofs in New York with materials that may cause cancer. Years ago when Eco [...] The answer is no. Here is what the Green Roof and Solar Department at the NYC DOB told me: The building code does not explicitly provide a threshold for when a green roof installation would require a permit. The department is currently developing rules to provide guidance. In the meantime, a green roof installation [...] If you ever wanted to know the full legal verbage to the New York green roof tax rebate bill green_roof_legislation. It goes into great detail about definition and requirements of a legal green roof installation in New York. The reason it is important to have this document is that the Brooklyn and New York [...] As part of our service in the green renovation of a brownstone Eco Brooklyn looks at the brownstone plot in its entirety. This means we don’t just gut and renovate the interior. We also look at how the interior effects the exterior. As a NY green contractor we look at the whole system, from [...] We just wrapped up a green roof job in East New York. Here is a photo essay from start to finish. We planted late in the year and the nights were already freezing. But we trusted the hardiness of sedum and so far they have shown to be very happy on the new roof. [...] Here is an interesting PDF giving key facts about green roofs. The most interesting thing is a study they did comparing an R18 insulated roof with a non-insulated green roof. The green roof was a lot cooler in the summer. They also give costs and life assessment numbers. Very interesting. Read the green Roof PDF [...] A green roof is engineered to partially duplicate normal soil only without the depth. In normal soil the earth is deep but with a typical shallow green roof (aka extensive) the soil is no more than 6 inches at the very most. You replicate an earthen environment using drainage mats and water retention mats [...] In my ongoing obsession with putting earth and plants on city walls I have found some more resources. My ongoing research is for several jobs Eco Brooklyn has in the works to put living walls on Brownstone exterior walls. There are many ways to do this and I have not decided which to go [...] Here is a great page full of information on green roofs, green roof installers and green roof supplies. An extensive green roof is a green roof that is less than 6″ thick. As opposed to an intensive green roof that is more than 6″ thick. Because of the thickness of the growing medium an extensive green roof can only support sedum and drought tolerant small plants. The reason for this is the limited root [...] The primary ecological benefits of Green Roofs are as follows: The Reduction of Urban Heat Island Effect. An urban heat island (UHI) is a metropolitan area which is significantly warmer than its surroundings. As population centers grow in size from village to town to city, they tend to have a corresponding increase in average [...] The book Planting Green Roofs and Living Walls by Nigel Dunnet and Noel Kingsbury is an authoritative book and should be on the shelf of any Brooklyn green roof installer. I bought it in the hopes it would help improve the Eco Brooklyn living wall technique for Brooklyn brownstones where plants are actually growing [...] Here is a great pdf doc on green walls. It is created by Green Roofs for Healthy Cities, an excellent resource for urban green roofs and living walls. We install living walls in Brooklyn and are constantly looking for better techniques. The art is still very new and we are still very much in [...] We went to check on one of the green roofs we installed last year in Park Slope. It looked good! Some of the edges were a little wind bare but for the most part the sedum were happy and growing. Park Slope, Brooklyn, green roof installation We are Brooklyn green roof installers [...] You have to check this picture out. It is of a strawberry on the green roof of the Brooklyn Green Show House. Notice the pine cone, sedum, flowers in the background. It is a world as seen from a field mouse or bee. We can see things like this too. [...] |
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