Residential Green Roof Design

Additional resources the intent of this guide is to provide information regarding the state of the art of vegetative roof design and construction.

Residential green roof design.

The existing roof may not be capable of supporting an additional load. A green roof is simply one that fosters the growth of vegetation. From the most basic cave like forms and sod roofs of ancient structures to modern rooftop parks spanning thousands of feet green roofs have shaped architecture throughout history. Variables particular to location such as sun and wind exposure seasonal rainfall native vegetation and soil depth determine the most viable plant choice.

The average cost for a bare bones green roof including the design permitting and installation will typically run between 18 and 22 per square foot. To ensure structural safety it s necessary to have a structural analysis verify that the roof and its support system are capable of supporting the added load without modification. Green roofs or rooftop solar panels add additional load to a roof and its support system. Since then there s been an inspiring generation of eco savvy design forward residential green roofs from cactus garden to rain forest topping everything from chicken coops to full blown homes.

In virginia norfolk botanical garden s green roof uses sedum delosperma and sempervivum. Residential green roofs such as theirs protect natural waterways from oily street residue by lessening the chances that municipal storm drain systems will overflow. These tend to be our favorites because each residential project is unique. It is made of a waterproofing layer a root barrier a drainage system and growing medium for the plants.

Planted with hundreds of low growing succulents the little flat roofed extension off their 1925 colonial revival helps slow down and filter rainwater runoff. In the most basic sense green roofs are a layered combination of vegetation and membrane over a building that can help insulate and provide water management. Apex green roofs inc. These plants are excellent in providing a natural sponge for water and protecting the roofing material thus adding to its longevity.

A deeper or more specialized roof. Green roofs are sprouting up more and more on buildings around the world from private residences and schools to cultural institutions and businesses.