As we'd just had this roof made we ensured we'd had is strengthened - there are 10 joists under the roof, each bolted next to another joist and supported by a steel frame at either end - so its super strong just to be sure. Can you tell me the break up of the cost that is needed for different stuff needed for the same. However, easy installation doesnât necessarily come cheap: depending on a variety of factors, the costs for installing a green roof â¦ Have you looked into coconut pith/cocopeat? All green roofs have a layered structure built upon a roofing base structure. You would have to factor in the requirement of the foundation, there is the soil, the various plants and then the whole installation which is itself a daunting challenge. * - 1 x Roof - it'd be a normal garden if it wasnt on the roof! on Step 8, Wondering what the overall depth of the living roof layers came to... not sure if my existing roof is deep enough on top, 9 years ago 3. Also in medieval times it was thought to ward off evil spirits. However, over 45 degrees itâs best to consider these surfaces as living walls. Kudzu is extremely invasive. 3. Green roofs â also known as âvegetated roofsâ or âliving roofsâ â are ballasted roofs consisting of a waterproofing membrane, growing medium (soil) and vegetation (plants) overlying a traditional roof. If the roof has walls or if there will be walking paths, these are lined with some â¦ The synthetic fibers won't rot away, and anybody that has had a water leak knows how much water carpet can hold ;-). Love the layering. GREEN ROOFING AND CONSTRUCTION A green roof is a green space that is created by adding various layers of plants and a growing medium to the top portion of a traditional roofing system. 4. But being from Minnesota ,USA where winter temps can get to -30f. on Introduction, Cool roof. Once the spacing was right then dig a hole and bed them in. * - 1 x Moisture blanket - this is to help keep moisture in the soil - i used blankets used in hanging baskets, but they cost a ton - you can also use cardboard or old blankets - however I was concerned these may rot 1. Passive/natural/evaporative cooling is still such an unknown here. Once pond liner #1 is rolled out cut off any spare (making sure you've left a good 5 inch lip around the edge of the entire area Also you need to protect the building structure, so this is my recipe for making a living roof: Slopes and angles for Green Roofs The pitch of your roof determines how fast rainwater runs off it. One popular choice for an eco-friendly roof is metal. Green Roofing and Construction provides excellence in a full spectrum of pre-construction, program management, design development, construction, interior design management, inspection, and emergency remediation services. Some plants take far better than others - I've started to move around the plants that work to get a better spread. * - 0 x Insulation - I had to put in some thermal insulation because our council building control couldn't calculate the U value for insulation of the living roof - after installing it this is way better than any fibreglass or fibrespan board - so you probably dont need this! The roof features over 100 species of native plants and ornamental plants, no-mow turf, a â¦ How are the plants progressing? * - 2 x Pond liner - this is to stop any of the roots, damp, greenery, water or any other stuff getting to the roof - I used 2 x liners to be extra safe 2. stick some on it, it cost very little and was the silver backed bubble wrap you get in building merchants. A green roofâs plants remove air particulates, produce oxygen and provide shade. Reply Well-designed, engineered and maintained green roofs provide multiple environmental, social, economic and aesthetic benefits. Insulation - green roofs are brilliant at insulating, both keeping heat in and cold out Read on for how we did this * As usual and mentioned millions of times on here - I take no responsibility for anyone following this and any maiming, death or damage which follows; nor world war or anything else :) Hey thats great job! New Report Shines Light on Minnesota Water Quality Concerns. Green roofs also contribute to the sustainability of a building. Green roof infrastructure promises to become an increasingly important option for building owners and community planners. Lay out the bark on the roof - this is another layer of damp goodness to stop the soil drying out too much (when buying the bark make sure its not chemically treated to stop weeds etc, as this will not be good for the plants! Green roofs are essentially built up or installed in layers. Intensive green roofs are essentially elevated parks. 1. stays with every project from concept to installation so with Vegetal i.D. Name / Notes The natural character of green roofs provides relief from the concrete construction in urban areas and introduces substantial changes to modern architecture. They can sustain shrubs, trees, walkways and benches with their complex structural support, irrigation, drainage and root protection layers. Question * Scabiosa (Misty Butterflies) - dont like, looks a bit weedy now 2. Roll out pond liner number 1 taking care to tuck it under any leading you've got at the edge of the roof - so rain water comes off any walls, hits the lead and then goes inside, rather than under, the pond liner The Minnesota Green Roof Council’s trailer – our green roof on wheels – will be on display again this year at the Minnesota State Fair from August 27 – September 7, 2015. 3. I found online is that living roofs can weight anything up to 150KG per SqM, so I asked our builder and engineer to work to a dead weight of 150KG - whats a 'dead weight' I hear you ask - well.. thats the weight it'll be when there is just itself up there, a live weight is stuff like water (rain), snow or the bloke on a ladder trying to install a satellite dish. * As usual and mentioned millions of times on here - I take no responsibility for anyone following this and any maiming, death or damage which follows; nor world war or anything else :). It might help you do what you want. Green roof temperatures can be 30â40°F lower than those of conventional roofs and can reduce city-wide ambient temperatures by up to 5°F. To support lightweight sedum green roof construction, your roof needs a loading capacity of at least 120 Kg per square metre. Soon you'll be weed-free! You do need to weed it during the spreading process (ie while the plants you want are filling the gaps in) - I've done this 3 times this year, doesnt take more than 10 minutes is a manufacturer and provider of green roof and stormwater management solutions. Two types of green roof exist: intensive and extensive. A dark, heatâabsorbing roof surface increases demands on mechanical systems, making it more difficult to adequately cool a building, whereas a green roof reduces the temperature of the roof and, therefore, the building itself. How long is it since you made the living roof? Green roofs can address many of the challenges facing urban residents. The insulation in the winter will depend on the amount of moisture in the various layers. I would love to make a living roof there, as it faces east, and catches the sun until mid-afternoon. The garage is in the St. Anthony Park neighborhood of Saint Paul. Before putting anything on a roof you need to make sure its strong, very strong. Easiest way I found was to put it into 5 piles then gently (making sure not to move the bark etc) rake it around Did you make this project? * - Big stones to help with drainage at the edge and stop plants growing into the building A green roof significantly reduces the need for air conditioning in summer and provides insulation in the winter. Plants we bought: Green roofs are constructed by merging a number of layers over a normal roof in order to create a proper root barrier, an irrigation system, as well as drainage. Building information modeling (BIM), modular construction and low-carbon timber materials combine in the sustainable Buitenhuis, a small, low-impact â¦ Not surprised that the sedums did well. Wish there were more of these around, it looks awesome. People really need to know about this sort of thing here! We wanted somewhere for some wildlife to have (bees etc) We are (one day) going to extend and rebuild our back porch (verandah enclosed with screen material to keep out Texas-sized insect life). 5. Use flashing tape (lead replacement self adhesive tape) to seal the pond liner to the edge of the building where there is no flashing - this makes sure that no water gets under the pond liner, Finally moving onto installing the growing stuff! The foot or more of growing medium needed for an intensive green roof creates a load of 80-150 pounds (36-68 kilograms) per square foot. ), Now onto the soil and compost goodness! Register for the Greenroofs.com virtual summit “Greenroofs & Walls of the World™ Virtual Summit 2015” and pick the sessions you want to hear any time! A pitched roof reduces the risk of water penetrating the roof structure, allowing the use of fewer waterproofing and drainage layers. Vegetal i.D. It’s also a bit ugly if you don’t water it regularly. They support hearty native grâ¦ Reply The main 3,800 square foot green roof has diverted about 70,000 gallons of water from the storm sewer every year since it was planted in 2006. It is sloping and I am finding difficulty to source a way of trapping the water - any ideas please? Give it a gently bit of turning to mix it up a bit (Native to Japan, so it wants lots of water which is also bad for your roof) Every piece of root can spawn another plant, so it is near impossible to get rid of. The basic requirement for a green roof is waterproof construction and efficient load-bearing capacity. For a wildflower roof with a 150mm depth of the substrate, work on loading capacity of 250Kg per square metre. A smaller, 200 square foot... A three car garage with a home-owner DIY green roof installation using the Roofbloom plans provided as a resource from the Minnesota Green Roofs Council. now I just need to find somewhere to try it :D, 6 years ago and it was blinding standing on a silver roof! 2. Please note: while there are similarities among green roofs, each installation is unique. The Target Center is the first arena in North America to have a green roof. A green roof is, in ecological terms, a great and simple thing to do. So, the steps: Green roof profile schematic including materials typically included in construction. Put large gravel or pebbles around the edge of the roof in the space you've left - this is to ensure drainage at the bottom, and also stop the plants growing into the building As a rule of thumb, a pitch under 10 degrees is normal for green roofs, where a minimum fall of 1:60 can help encourage drainage. Brush into place Thank you. Roll out insulation on the roof and cut to size - nb:/ i did this on a very sunny day (yes we do occasionaly have them in London!) Want to help protect and improve water quality in Minnesota’s rivers and lakes? Used over a whole roof, a green roof will be the single overriding design influence on the house as well as impacting on the construction, right down to the foundations. Green roofs are not easy to build or maintain for that matter. your never on your own. 4. GRHC members are an excellence source of green roof expertise, and a resource manual is available from GRHC's Green Infrastructure Store. Green Construction And Roofing has established a reputation of reliability and quality workmanship. The Pennsylvania Stormwater manual recommends vegetated roofs (green roofs) as â¦ Wonderful project. Also known as roof gardens, these green roofs serve as a large contributor to energy efficiency of buildings. It may also include additional layers such as a root barrier and drainage and irrigation systems. 9 years ago Specify a high-performance waterproofing membrane. Basic green roof components include the base â¦ Even a flat roof should have some pitch so that it sheds water toward gutters; for a green-roof installation, that pitch should be at least ¼ inch per foot of run. * Chamomile - Has spread ok How are green roofs put together? All of the plants have now been in for well over a year, sedum really is the way to go. Read on for how we did this Reply Use the cut off's to go under the area your roof drains to - in my case this is a drain off the side * - Top soil - gives a bit more substance to the compost You do need to water it - as I'm lazy I've installed an irrigation system (cost £17 on ebay), this connects to an outside tap, turn it on for 30 mins every few days or so when its very sunny - this could run off a rain water supply if you wanted. Metal Roofs. When planting keep them in sensible patches and let them spread, Now that this has been installed for well over a year I've got some conclusions: Final thing to do is put some paving slabs up - this is for two reasons, 1 - so you can walk around without treading on your plants, 2 - so you can put a ladder on the roof to get to the higher one if needed - otherwise you'll put the ladder on your living roof and may damage the liners etc, We visited the local garden shop and picked up a selection of plants that are hardy (see the bottom of the post for details). There are a number of types of living roof, ranging from the one I've made (enough for some simple grass, plants and anything else that comes along, right the way to full on living garden worlds, with trees, ponds and more - this isnt what we're after! As they assembled for transportation to their assigned cleanup spots, they had the chance to check out... 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