Water-to-Air Ratio GreenRoofs101
GreenRoof Technology Blog
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4y ago
Why is AIR-to-WATER Ratio on Green Roofs so important? The air-to-water ratio is the ratio between air and water in the pores of a media. (Download PDF: click here)   By Green Roof Expert Extraordinaire Jorg Breuning, March 2020   Introduction (Challenges) On ground disconnected structures like roofs the available rooting space for plants is typically limited because of weight restraints. Additionally the Green Roof components and the plants are exposed to more extreme environmental impact like higher wind speeds, reflecting surfaces, higher temperatures, air pollution, artificial light at ni ..read more
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Net-Zero Townhomes Benefit From Solar Garden Roof
GreenRoof Technology Blog
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4y ago
Net-Zero Townhomes Benefit From Vegetated PV Roofs This suburban Washington, D.C., project proves there's no need to choose between a green roof or a photovoltaic roof By Ted Cushman Developer-builders Jessica Pitts and John Miller of Flywheel Development had a goal and a problem with their Perry Street Townhouses project. Their goal was to build affordable net-zero townhomes in suburban Washington, D.C. Their problem was stormwater management: Rules in Prince George's County, Maryland, required them to detain the runoff from heavy rainstorms on-site, rather than divert it into municipal ..read more
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Mineral Wool in Green Roofs – From Zero to Hero?
GreenRoof Technology Blog
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5y ago
 Mineral Wool in Green Roofs – From Zero to Hero? The use of Mineral Wool in Green Roof applications is an increasing trend in North America and in countries where such industry is still young or focused on fast profits rather than on longevity. One selling benefit of Green Roofs is the extended lifetime of the underlying water proofing because the Green Roof protects the roofing against the elements. Can Mineral Wool stand up to this? Against any semi scientific promotional material from Mineral Wool applicators, the market share of mineral wool in the German Green Roof construction industry ..read more
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