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The Greenroofs & Walls of the World™

12 Month Wall Calendar



Previous years:

2013     2012     2011     2010     2009     2008





  • January featured the PRIVATE KONA, HAWAII RESIDENCE in Kona, HI. Situated on a private oceanfront residence on the Kailua Kona coast, the property boasts an 18’ long x 8’ high Green Living Technologies International (GLTi) living wall. The beautiful project is another first by 1st Look Exteriors and GLTi since this was the first living wall to be installed on the Big Island of Hawaii. The unique home was built and carved into an ancient lava flow from 1801, creating an exotic combination of textures within the pristine setting. Plants include mixed use tropical and native Hawaiian species such as Bromeliads, ferns, succulents, Crotons, and Liriope.

  • February featured the CUARTEL DE BALLAJÁ (BALLAJÁ INFANTRY BARRACKS) in San Juan, Puerto Rico. Built by the Spanish army from 1854 to 1864, the biggest challenge for the Cuartel de Ballajá green roof was sourcing the highest quality lightweight engineered soil in the Caribbean for the last example of monumental Spanish military architecture in the Americas. rooflite® soils exceeded the demands of the historic building, manufactured locally in Puerto Rico under license by PRGD. David Aponte carefully selected and installed 60,000 plants in 2" of rooflite® drain with drain channels and a 4" average of rooflite extensive mc. Also installed were water features, living walls, and solar.

  • March featured the THE BARNES FOUNDATION in Philadelphia, PA. The Barnes Foundation green roof satisfies the Philadelphia Water Department’s progressive and rigorous stormwater management requirements. Designed by Roofmeadow, the green roof sits on a waterproofing membrane which protects a priceless and historic art collection. Established with pre-grown Sedum mats that were interplanted with perennials, the extensive green roof is unusual because of its ability to support flowering plants in a thin, un-irrigated assembly. Throughout the growing season Achillea, Talinum, Dianthus, and Phlox will provide a progression of color through the green carpet.

  • April featured the NATIVE CHILD and FAMILY CENTRE SERVICES OF TORONTO (NCFT) in Toronto, Canada. NCFT is a family and child focused holistic organization with a strong sense of environmental stewardship and Native cultural base. Bioroof provided the materials and expertise to create a plant palette that would be instantly recognizable to the Haudenosaunee (Iroquois) who lived on the land that would become Toronto five centuries later. Plants include the traditional Anishnaabe (Ojibway and Algonquin) medicinals cedar, sweet grass and sage; core vegetables are corn, beans and squash. Visitors enjoy natural log seating and a fire pit; the heart of the community roof is the Healing Lodge.

  • May featured the LINCOLN CENTER THEATRE, LCT3 in New York, NY. The rooftop addition of the Eero Saarinen-designed Lincoln Center Theatre is the home of LCT3, an initiative devoted to producing the work of emerging playwrights, directors, and designers. When the elevators doors open at rooftop level, visitors see a grand view of the outdoor terrace and greenroof. Pre-grown for two years prior to delivery, 1,356 (2ft x 2ft) Green Roof Blocks contain native plants and multi-species of Sedum. Anticipating a LEED Silver rating, the building features efficient systems and sustainable strategies, including the greenroof that covers 44% of the site footprint.

  • June featured the ATLANTIC WHARF (RUSSIA WHARF) in Boston, MA. Formerly known as Russia Wharf, Atlantic Wharf is a $270 million mixed-use development and is the first LEED Platinum skyscraper in Boston. Designed to use 69% less domestic water in the office tower compared to a typical downtown tower, the 8,466 sf eighth floor GreenGrid greenroof is part of the huge water harvesting plan. The developer, Boston Properties, expects that between the green roof and harvesting the rainwater, along with water efficient fixtures inside the building, to save over 12.5 million gallons of water per year—equivalent to 19 Olympic swimming pools.

  • July featured the BELLÊME HOSPITAL in Bellême, France. Located in Normandy, the design intent on the extension of the Bellême Hospital was to provide a LEED certified (HQE) sustainable building. According to various research, a greenroof underneath solar panels can increase the productivity of electricity by up to 15% as the greenroof is limiting temperature fluctuation on the roof as well as decreasing the temperature in the summer. The all-in-one Vegetal i.D. Hydropack tray system includes the Vegetal i.D. Standard Plant Mix of Sedum (4 types), Allium, thyme, Antennaria, Armeria, Campanula, Gypsophila, Hieracium, Petrorhagia, and many varieties.

  • August featured the GRAND PINES ASSISTED LIVING CENTER in Grand Haven, MI. Grand Pines Assisted Living Center offers residents views of the two LiveRoof® green roofs and fresh produce from their LiveWall® upright gardens. The culinary staff uses the fresh ingredients to enhance the dining options for residents. During the growing season, the living wall is watered for one minute each day. The planters contain chives, parsley, rosemary, lemon balm, cilantro, thyme and more. Culinary staff heads out to the wall every day to pick fresh herbs to help make tasty meals for the residents who would normally have used salt to bring out the taste in their food.

  • September featured the HOTCHKISS SCHOOL BIOMASS TREATMENT FACILITY in Lakeville, CT. Founded in 1891, the Hotchkiss School is an independent boarding school of unsurpassed quality. An immediate icon in sustainable commercial construction, the undulating green roof on the new LEED Gold certified Hotchkiss Biomass Treatment Center blends into the beautiful campus. The ZinCo USA Sedum Carpet green roof system is a built-in place system that contains 5 critical components for proper functionality on the serpentine roof: Protection/Retention Mat; Floradrain FD25-E Drainage; Filter Sheet SF; Zincoblend extensive growing media; and the pre-cultivated vegetation mat.

  • October featured the MITCHELL PARK HORTICULTURAL CONSERVATORY in Milwaukee, WI. The enormous geodesic hemispheres of the Milwaukee County’s Mitchell Park Horticultural Conservatory “Domes” are iconic structures for the regional plant-loving community. Beneath each dome are unique ecological habitats, now connected from above by a 1210 sf roof top field of mixed Sedum species using the Xero Flor XF301 vegetation mat assembly. This lightweight green roof serves as an educational reference for park visitors, while prolonging the roof’s performance life and supporting the county’s goals for stormwater runoff management and urban heat island reduction.

  • November featured the ORLANDO HEALTH MD ANDERSON CANCER CENTER in Orlando, FL. In 2011, the Orlando Health MD Anderson Cancer Center Labyrinth Vegetated Roof Garden, originally built in 2001, was in need of renovation from the roof membrane up. Tremco, Incorporated provided technical and diagnostic assistance and project management along with materials to repair and replace the roof membrane and all of the vegetated roof components. Today, the new garden serves as an integral part of the Cancer Center’s unique integration of meditation into their cancer therapy. The labyrinth is used to instruct patients about finding their way through crisis with spiritual growth.

  • December featured the FENIMORE ART MUSEUM in Cooperstown, NY. The Fenimore Art Museum and N.Y. Historical Society are headquartered in an elegant 1930s neo-Georgian Mansion. A new Museum addition features a greenroof with beautiful flagstone terraces surrounding classical English gardens with white wooden gazebos. The waterproofing envelope, protection, drainage and filter fabric for the earth-sheltered Museum are all part of the Ram Tough 250 rubberized asphalt waterproofing system furnished by Barrett Company. Overlooking Otsego Lake, the 38,100 sf vegetated roof features evergreen trees, shrubbery, grasses, deciduous trees, sedum and various annuals.

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  • January featured the C-MORE Hale building in Honolulu, HI. The first building to have LEED certification and Platinum status in Hawai'i, the Center for Microbial Oceanography: Research and Education (C-MORE) Hale is a state-of-the-art research facility at the University of Hawai'i at Manoa. A colorful focal point to welcome visitors into the entry, the Green Living Technologies International Green Wall installed at C-MORE measures 6 ft. L x 8 ft H and showcases an array of beautiful native Hawaiian and locally grown tropical plantings that help clean the air within the building using minimal watering.

  • February featured the Brooklyn Grange Rooftop Farm in Long Island City, NY. The Brooklyn Grange is a pioneer in rooftop agriculture. The 40,000 square foot commercial farm is located on the rooftop of a six-story building in the dense urban environment of Queens, New York. The project integrates traditional intensive green roof design with organic agriculture and permaculture principles to create a commercially viable urban farm. The rooflite® intensive growth media's excellent water holding capacity allows for less frequent crop irrigation while biodegradables collected from the local community for Brooklyn Grange's compost program help to maintain fertility.

  • March featured the Chicago City Hall in Chicago, IL. Visible from surrounding buildings, the highly publicized, award-winning green roof was conceived of as part of the City's Urban Heat Island Initiative. Roofmeadow provided engineering expertise for the rooftop. The mounds consist of lightweight insulation topped with dual-media Roofmeadow assemblies, Type II (3.5") & Type III (9"), which sustain the native and nonnative plant palette using base drip irrigation. The rooftop is a perennial garden and so much more. Home to more than 150 species of plants, the green roof habitat supports two beehives tended by the city's beekeeper.

  • April featured the Library of Congress NAVCC in Culpeper, VA. Set on a beautiful 45 acre campus, the Packard Campus of the National Audio-Visual Conservation Center (NAVCC) is a state-of-the-art facility where the Library of Congress acquires, preserves and provides access to the world's largest collection of films, television programs, radio broadcasts, and sound recordings. ILD performed the EFVM® integrity test to ensure the membrane installation was watertight prior to the installation of the plantings. The EFVM® Vextor-9 conductor wires are permanently installed to allow for monitoring the integrity of the membrane through the vegetation overburden.

  • May featured the Sheet Metal Workers Local #36 Headquarters and Training Facility greenroof. Serving its members since 1888, the Sheet Metal Workers' Local 36 new $15 million, 96,000+ sf LEED Platinum headquarters facility is going after 67 LEED NC credits and includes such features as photovoltaic and wind electrical generation, solar water heating, roof rain water collection/irrigation cistern system and a Green Roof Blocks vegetative green roof system. The 7,800 square foot green roof hosts eight species of sedums pre-grown by Jost Greenhouses and the anodized aluminum modules were installed by sheet metal workers employed by Saint Louis Metalworks Company.

  • June featured the Indianapolis Children's Museum Green Roof in Indianapolis, IN. The Indianapolis Children's Museum installed a GreenGrid green roof system that now serves as a permanent colorful learning exhibit with five color contrasting plant mixes. The green roof is viewable from the 60-foot-wide Sunburst Window, located on the Mezzanine level. There is an Educational Kiosk along the window that provides children with information on what a green roof is and how it benefits the environment. With approximately 1 million visitors each year, this green roof provides excellent educational outreach for sustainable building products and best management practices.

  • July featured the Atlanta City Hall Pilot Green Roof in Atlanta, GA. This greenroof is located on the fifth floor adjacent to the City's cafeteria, visible by surrounding buildings and accessible to all. In 2003, seventy cubic yards of growing media and over 2,800 plants from 31 species were used, predominantly sedums with some perennials, cacti, and herbs supplied by ItSaul Natural and Saul Nurseries. A history-making event was held here, the first Greenroof Wedding. On May 22, 2010 the landscape architect of the Southeast's first municipal living roof, Bill Brigham, married his bride, Beate Allio, with friends and family in attendance.

  • August featured the SmithGroup Office in San Francisco, CA. Transforming an 83-year-old San Francisco landmark building into a progressive and high-performance headquarters was the vision for SmithGroup's new office, serving as a showpiece for innovative design strategies and reflecting beautiful sustainable design. A LiveRoof 4-inch Hybrid System green roof completes the space, providing a retreat for employees and reinforcing the firm's commitment to sustainability. A coastal prairie blend of slender field sedge and beach strawberry combined with a mix of California red fescue selections represents the native plant community prior to development.

  • September featured the Delft University Technology Library in Delft, The Netherlands. 1960’s Delft University desired an intensive green roof for recreation over the library, and Mecanoo Architects designed a sloped plane with huge expanses of daylighting: “The large lawn roof is tilted up at one corner like a sheet of paper held by a single point.” With the roof renovation, the existing leaking single ply roofing was removed and replaced by a fully adhered two layered roofing system on a cellular glass insulation. ZinCo Elastodrain gives protection for the roofing system, and the 6” lightweight substrate and lawn complete the build-up, used for relaxing and winter sledding.

  • October featured the Zeckendorf Towers & Condominiums in New York, NY. With a quarter acre of rolling rooftop vegetation, the Zeckendorf Towers hosts the largest residential green roof in the Greater New York City region. The diverse Xero Flor Hybrid Assembly vegetated palette includes succulents, mosses, ferns, herbaceous shrubs and trees accenting iconic pyramidal skylights with 360° views from surrounding hallway windows and 20-story towers at each corner. This luxurious natural vista provides valuable ecological benefits for the property and its municipal infrastructure, including stormwater runoff mitigation, structural cooling and roof lifetime extension.

  • November featured the Tremco Inc. Headquarters in Beachwood, OH. A 9,000 square foot vegetated roof is the centerpiece of the comprehensive renovation of the Tremco Incorporated headquarters building. The roof has approximately 16,000 native plants comprising 46 species, four separate habitats, pathways of slate recycled from the building, an agricultural area where produce is grown for use in the company’s cafeteria and features the BioTray Vegetated Roof Delivery System, plus other sustainable features. The renovation also includes three other types of sustainable roofing, a wind turbine, a PV-powered carport and a stormwater capture and reuse system.

  • December featured the Baltimore Convention Center in Baltimore, MD. When the Baltimore Convention Center called for the replacement of the roof membrane due to failure and subsequent leaking into the main halls below, Barrett Company suggested upgrading the aesthetic and functional qualities with a greenroof. The design objective was to create a pleasing outdoor garden to engage or view from the upper lobbies as well as provide cooler temperatures for guests. The Terrace creates an inviting outdoor green space for Convention guests twenty feet above street level affording a people watching perch for the heavy pedestrian traffic and Downtown commerce area.

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  • January featured One PNC Plaza. The PNC Financial Services Group, Inc. 2,380 sf green wall featured a variety of regional plants grown into 602 panels of the modular Green Living Technologies system, creating spectacular living art on the south-facing wall. The 24 plants in each 2x2 sf space will offset the carbon footprint of one person and the vertical garden is expected to be 25% cooler behind the wall than ambient temperatures.

  • February featured Baptist Eastpoint Hospital. Baptist Eastpoint is a new $63 million outpatient services, surgery center and urgent care facility (2009). Baptist Hospital East's "green" practices include a living green façade, an active employee recycling program, and a 6,000 sf greenroof, designed as part of a new addition to the hospital's cancer center. The greenroof employs a Garland Green Shield Build Up System, a 4-inch extensive growing medium blown in by a Express Blower pneumatic blower truck, and a Sempergreen pre-vegetative Sedum mat.

  • March featured the PECO Main Office Building, in Philadelphia, PA by Roofmeadow (formerly Roofscapes). The 8th floor PECO Main Office Building (2009) is covered with over one acre of vegetation, is visible from surrounding high-rise buildings, and provides a focal point for Philadelphians. PECO co-sponsors public greenroof tours, and estimates the roof will reduce the annual volume of stormwater runoff by 60 to 70%. Extra-lightweight Sedum pre-vegetated mats and assemblies Roofmeadow ® Type I and III were used over specially formulated growing media, weighing 17 psf fully saturated. The cool green Sedum carpet is punctuated by pathways, lit seat walls and native perennial beds. Read the Sky Gardens Blog post.

  • April featured the Fish House in Singapore, by Guz Architects.  A modern tropical bungalow (2009) encapsulating the essence of living in the hot and humid climate of Singapore by creating open spaces, the design encourages natural ventilation and offers residents views to the ocean. The concept creates a close relationship with nature, achieved by the swimming- pool linking the house with the landscape and visual connections with the sea. Almost totally covered with thin bendable photovoltaic panels, the remaining area is used as a greenroof, also giving residents some outdoor leisure spaces.

  • May featured the St. Louis Community College Wildwood Campus, the first community college in the Midwest to receive the United States Green Building Council's LEED Gold certification. Located very close to Babler State Park in Missouri, there is certainly no shortage of wildlife around the park, yet Killdeer birds have chosen this 2,000 sf greenroof (2007) as a safe place to start their new family. Planted with a variety of Sedums, the Green Roof Blocks modular system plants provide comfortable nesting, and heat rising from the building keeps the nest nice and cozy.

  • June featured the MillerCoors Headquarters in Milwaukee, WI. Located within the heart of Miller Valley, the 8,184 sf GreenGrid ultra-extensive greenroof system (2009) was chosen due to weight limitations for the MillerCoors rooftop and arrived pre-grown with a variety of Sedum species specifically selected for this environment. GreenGrid worked closely with MillerCoors to design a highly functional and aesthetically pleasing living roof that can be viewed by more than 100,000 visitors annually while providing an educational experience regarding the importance of clean water to communities, stormwater runoff, and pollutant reduction.

  • July featured the Atlanta Botanical Garden in Atlanta, GA. This 55' long Edible Garden Green Wall and Outdoor Kitchen (2010) showcases the farm-to-table concept of cultivating and consuming fresh local and sustainably-grown food. A variety of herbs, about 2,000, is planted in the vertical garden including sage, dianthus, dwarf, phlox, and boxwoods. Saul Nurseries worked closely with the designers to settle on a plant palette that would be easy to maintain, thrive in the Atlanta climate, and be a stunning visual statement. The modules were grown for two months before installation in a Saul Nursery greenhouse.

  • August featured the Nathan Phillips Square City Hall Podium in Toronto, Canada. The newly refurbished Nathan Phillips Square podium roof surrounding Toronto City Hall has a 36,500 sf publicly accessible greenroof, keeping with the original architectural design while creating a beautiful city park around the towers. Constructed with a LiveRoof hybrid modular greenroof system, it contains a combination of 6" and 4"deep LiveRoof Standard Modules. The project was grown at the LiveRoof Ontario nursery during the summer of 2009, and 22 different plant blends were grown to full grown status and installed in a pre-determined "random" pattern on the roof in the fall.

  • September featured The High Line in New York City, NY - award winner of the GRHC's Award of Excellence. The High Line is an elevated railway originally designed in the 1930's to keep dangerous trains off the streets of an expanding New York City, but now invites the public to stroll its 1-and-a-half mile and growing boardwalk among natural plantings, benches, lighting and a host of special featured. The ZinCo USA drainage system enabled the landscaped city park's diverse array of design and construction experts to seamlessly integrate plantings with hardscapes, allowing stormwater and irrigation runoff to drain while simultaneously retaining water to keep the vegetation vital and healthy.

  • October featured the FedEx Cargo Facility in Chicago, IL. Part of the City of Chicago's O'Hare Modernization Program, the new 170,000 sf FedEx Cargo Facility extensive greenroof (2010) at O'Hare International Airport is the largest freestanding living roof in the Chicago metro area and the largest at any of the world's airports. Expected to retain 2 million gallons of stormwater annually, the un-irrigated project required utilization and coordination of the Xero Flor America uplift-resistant and rapidly executed greenroof design due to the active runway status. Installation was completed from start to finish in approximately three weeks.

  • November featured the National Institutes of Health is the principal Federal agency responsible for medical research and the renovation of a 4,600 sf elevated plaza next to the library at its headquarters included converting part of the plaza to a vegetated roof from Tremco Roofing and Building Maintenance. About 30% contains plants the NIH is studying for medicinal purposes. Additional sustainable featured include living walls, a rainwater cistern, white-reflective Rock-It™ roofing system on the library, and 22 photovoltaic panels on the greenroof to run the ancillary equipment.

  • December featured The Aqua, an 82-story tower overlooking Harbor Park on the shores of Lake Michigan (2009). Each floor plate is uniquely different, designed to remind viewers of the limestone outcroppings along the Great Lakes. The landscaped roof is a swirling 80,000 sf botanic garden atop the podium, using a drip irrigation system for nourishing the large collection of low evergreen and deciduous plantings that create a geometric naturalism. Waterproofing and a continuous drainage layer from Barrett Company allow excess water to flow under soil, gravel and concrete walls to drains and pipes.

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  • January featured the Hotel Remota in Puerto Natales, Chile. This 4-star eco Hotel Remota (Remote Hotel) enjoys a privileged location at the starting point of the amazing mountains, lakes and glaciers of the Chilean Patagonia. All of the rooms have a view of Ultima Esperanza Bay, the Balmaceda Glacier and the Paine Mountain Range. Inspired by Patagonian sheep farm buildings, the architect designed the 72-room hotel to blend seamlessly into the surrounding vistas and offer unparalleled luxury. Greenroofs carpet two areas with gravel and native, wild grasses.

  • February featured the Sacred Heart Medical Center At River Bend, a custom intensive greenroof in Springfield, Oregon. The 1.2 million sf hospital, built on a sprawling 180-acre greenfield site near the McKenzie River, looks like a 5-star resort nestled within the Willamette Valley. Home to 386 private patient rooms, the holistic concept integrated in the campus plan includes eight rooftop gardens for the enjoyment of patients and visitors. Using a TM-45MD Express Blower™ truck, 230 tons of aggregate, 120 cubic yards of mulch, and over 700 cubic yards of rooftop mix was placed in 14 days.

  • March featured the Diamond Beach Condominiums, a semi-intensive greenroof in Long Branch, New Jersey installed by Roofmeadow (formerly Roofscapes). The lush, un-irrigated 6.5" Type III Roofmeadow® Savannah on the 6th and 7th floors of this Jersey shore condo complex provides peaceful enjoyment for all residents and private gardens for penthouse residents. The roof meadow gardens offer views of the surrounding landscape and the Atlantic Ocean to the east. The planting plan featured drought-tolerant grasses and a wide variety of flowering perennials in tufts and drifts mixed with Sedum groundcover, accented with a herring-bone brick pavement.

  • April featured the City of Minneapolis Target Center Arena, a 113,000 sf Custom Commercial Extensive Greenroof. The City of Lakes in the Land of 10,000 Lakes invested in a sustainable building and stormwater management approach for the arena's new roof. Runoff is mitigated from 2.5 acres of impervious surface in a downtown location where space does not permit use of other Low Impact Development Techniques. To test for leaks and facilitate pinpointing the exact location of leaks throughout the green roof's lifespan, the Electric Field Vector Mapping® (EFVM®) by International Leak Detection was installed.

  • May featured the West End Avenue Penthouse Terrace in New York City, New York, a 1,000 sf Green Roof Blocks Multi-Family Extensive Greenroof. This serene, one of a kind terrace garden setting overlooks the Hudson River to the west and presents breathtaking views of the Manhattan skyline to the east. Custom fitted Green Roof Blocks wind around the granite and marble plaza deck providing a continuous bed of Sedums using five species that roll in waves from one to another, emulating the flow of the river below. No expense was spared to create a space that rivals the vibrant city that surrounds it.

  • June featured the Menards Home Improvement Store in Chicago, IL., a 104,556 sf. Commercial Extensive Greenroof by GreenGrid. Located on the northwest side of Chicago, the new Menards was completed in May of 2009. Pre-planted with five varieties of Sedum including Sedum 'Bailey's Gold', S. kamtschaticum, S. reflexum, S. sexangular, and S. spurium 'Fuldaglut,' this home improvement warehouse represents one of the largest modular green roofs in the world. Construction delays created a very short window before the grand opening, but Weston and Local Roofing were able to deliver and place the GreenGrid roof in just 10 days.

  • July featured the Frances Bunzl Administration Center of the High Museum of Art in Atlanta, GA, a 6,680 sf Modular Institutional Non-Profit Extensive Greenroof by Saul Nurseries. Viewed atop the Savannah College of Art and Design Dormitory (2009), the Bunzl Administration Center is one of three greenroofs at the Woodruff Arts Center complex. Set within a sculpture garden below, Magnolias are flourishing on the huge overstructure greenroof (2004). The Woodruff Arts Center is dedicated to promoting sustainability; the Bunzl living roof retains about 62,000 gallons of stormwater/yr. Saul Nurseries and ItSaul Natural provided the plants and growing media for all of the projects.

  • August featured the Haworth Corporate Headquarters in Holland, MI, a 45,000 sf Extensive Greenroof by LiveRoof. The new One Haworth Center is a 300,000 sf testament to adaptable, user-focused, sustainable design. The living laboratory of innovative organic workspace solutions is registered for LEED®-NC Gold certification. The LiveRoof® Standard 4" modules were chosen because LiveRoof® came fully vegetated at installation, and its patent-pending soil elevation technology allows sharing of water, nutrients and beneficial organisms across the entire rooftop for natural function & natural beauty.

  • September featured the Wuerttembergische Gemeindeversicherung a.G. Headquarters in Stuttgart, Germany, 30,000 sf of Extensive and Intensive Greenroofs by ZinCo. The design of the new headquarters of insurance company WGV created many technical challenges, and resulted in striking solutions: a three-dimensional Pot-Garden with an umbrella-like leafy roof (ZinCo's Recreational Park); two-dimensional shallow vegetation (ZinCo's Ornamental Sedum); and heavy duty trafficable areas (ZinCo's Driveways and Walkways). The total build-up of the four courtyards is only 8" above the roof structure, including permanent irrigation to ensure long term beauty and benefits.

  • October featured the Private Brevard, NC, Residence in Brevard, North Carolina, a 1,180 sf Extensive Greenroof by Xero Flor America. This new residence is tucked into a mountain side, oriented to take advantage of spectacular views of Pisgah National Forest. Among other green technologies including solar, two extensive green roofs were incorporated into the design to minimize its impact visually and environmentally. Lightweight Xero Flor pre-vegetated mats reduce the increased dead load and provided an immediate green roof effect; 80% plant coverage was achieved at installation.

  • November featured the Covenant House Toronto in Toronto, Canada, a 7,200 sf Extensive & Intensive Greenroof by Tremco.  As Canada's largest youth shelter, Covenant House Toronto opens doors of opportunity and hope to homeless youth, providing 24/7 crisis care and offering education, counseling, healthcare and employment assistance. Teachers use the therapeutic garden to connect with nature for a variety of studies including biology, art and creative writing. Tremco's Vegetated TRA multi-layer Roof Membrane with root barrier was used; the system is designed to retain a 25-year storm event before any runoff occurs.

  • December featured the United States Tax Court in Washington, D.C., a 21,300 sf Extensive Greenroof by Barrett Company. The Washington, D.C. area has some of the worst stormwater problems in America. Compounding the impact, the District's waterways flow to the Chesapeake Bay, endangering its $3 billion per year seafood industry. The United States Tax Court, one of a number of notable General Services Administration's "greening" projects, was recently reroofed with a Barrett extensive "Greenroof-Roofscapes®" assembly, adding to the growing Federal greenroof inventory and providing a visual delight to high-rise neighbors.

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  • January featured Frankfurt International Airport in Frankfurt, Germany. Frankfurt International is Germany and Europe's largest airport, and traffic systems and other services offered by Fraport AG are distinguished by a high degree of functionality and minimum land use. Plants are used extensively on building facades, within inside courts and on top of other airport roofs; approximate area greenroofed at FRA is half a million square feet.

  • February featured Watersong, a single family residence with an extensive greenroof by American Hydrotech in Steamboat Springs, Colorado from Land Design by Ellison. The designer's vision was to marry the architecture to the landscape. By settling the green roof into the surrounding environment they were able to minimize the visual impact of the structure and invite the surrounding beauty of the mountain environment into the living space.

  • March featured the Heinz 57 Center, a corporate/commercial extensive greenroof in Pittsburgh, Pennsylvania from Roofmeadow (formerly Roofscapes). The Heinz 57 Center, also known as the Gimbels Building Restoration, is blanketed with an un-irrigated, 5" thick Type III Roofmeadow® Savannah assembly. Occupying the 14th floor, the 30' wide terrace surrounding the office penthouse office allows stunning views of meadows containing 31 xeric plant species, including six North American natives.

  • April featured the Vancouver Convention Centre, a Custom Commercial Intensive Greenroof in Vancouver, B.C., Canada. The Vancouver Convention Centre will be home of the 2010 Olympic and Paralympic Games media and broadcast centre featuring a six-acre living roof, one of the largest of its kind in the world with a unique ecosystem of 400,000 indigenous plants. International Leak Detection (ILD®) was brought on board to test the integrity of the waterproofing membrane before and after the installation of the overburden with ILD®'s Electric Field Vector Mapping (EFVM®) system.

  • May featured the Salisbury Residence; this project represents a shift from commercial interest in the green roof concept to the residential market. Green Roof Blocks is proud to share the Salisbury creation as they have clearly demonstrated that green roofs are not too complicated for the do-it-yourselfers. Jeff Salisbury and wife Christine Plepys created this living roof using the 4" deep Green Paks modules laid over drain core / roof barrier composite geo-textile, using a diverse selection of sedums.

  • June featured a Private Corporate Headquarters with an Extensive & Intensive Greenroof in Northbrook, Illinois, USA. The cafeteria at this corporate office complex looks out onto an extensive modular green roof featuring new GreenGrid G3 modules, which were planted at a local nursery and grown out for three months prior to delivery. The roof design also includes an accessible patio area which featured a small intensive garden and custom planter boxes for trees. The plant mix uses ten varieties, bordered by a monoculture of Sedum kamtschaticum.

  • July featured an Extensive Greenroof in the U.S. Social Security Administration Southeast Payment Processing building in Birmingham, Alabama, USA. This SSA world-class greenroof project was designed to achieve LEED® Silver certification and enhance the city's revitalization efforts. Currently one of the largest greenroofs in the U.S., it's alive with 160,000 Sedum plants covering two acres. Birmingham's average summer highs soar above 90 degrees with unpredictable rainfall; the sedums were especially grown by Saul Nurseries, plant growers with extensive experience in the greenroof industry.

  • August featured the American Society of Landscape Architects HQ with an Extensive Greenroof in Washington, DC, USA. The ASLA headquarters green roof serves as a demonstration project for the environmental benefits of green roofs and showcases what landscape architects contribute to this project type. The design includes two elevated "waves" that raise the plants to eye level as well as hide the HVAC system, and an innovative aluminum grating system.

  • September featured the Expo Zaragoza 2008 Roof Garden Intensive Commercial Greenroof in Zaragoza, Spain. The Expo Zaragoza 2008 utilized over 765,000 sf of ZinCo green roof systems representing an imposing environmental responsibility for stormwater management. The various types of water distribution in nature are displayed by different climatic zones along a river through the 11,000 sf "Agua Compartida" (Shared Water) Pavilion. The 754,000 sf of ZinCo's 'Perennial Garden' are intensively used as recreational area in daily life.

  • October featured the Multi-Structured WA Private Residence in Port Townsend, Washington, USA. This private home sits within an old growth spruce forest near the Olympic National Forest. Green roofs cover all structures including the garage, sauna, study, breezeway, and living spaces. The sweeping building design contains dynamic roof angles necessitating a flexible green roof solution provided by Xero Flor's XF301 prevegetated mat assemblies for the structured complex of roof microhabitats.

  • November featured the Multnomah County Multnomah Building in Portland, Oregon supplied by Tremco. Public accessibility, interpretive activities, and free sharing of data between professionals were design parameters for Multnomah County. Upon exiting the 5th floor elevator, the greenroof panorama of wildflowers, grasses and sedums is immediately visible from the vast expanse of picture windows. Designed as Portland's first public green roof demonstration garden, descriptive interpretive signs allow for easy access to greenroof information.

  • December featured the ABN AMRO building in Chicago, Illinois supplied by the Barrett Company. The 6th floor podium roof on the ABN AMRO Computer Data Center was designed purposefully with accessibility and amenity use by all of the occupants as well as contributing to the overall greening of Chicago. The plan included vegetation with plantings which are a mix of trees, perennial plants, and annual flowers in planters of mixed heights. Tree shaded areas are complimented by an open lawn. The recreational space is poured concrete and concrete pavers.



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