12/30/2010

Green Roofs: Species Selection Does Matter

 
Green Roofs: Species Selection Does Matter

Researchers from the Department of Horticulture at The Pennsylvania State University have published a study evaluating the suitability of five common plants featured on green roofs. Green roofs are typically associated with improved air quality, reduced stormwater runoff, and heat mitigation.

The study focused on North American green roof plant types. Two stonecrops, one ice plant, and two herbaceous perennials were planted in three depths (30, 60, and 120 mm) of shale and clay. Drought conditions were also analyzed: No drought, 2 weeks early drought, and 2 weeks late drought.

The stonecrops performed well under all conditions, although stunting occurred during early drought for the tasteless stonecrop. The ice plant performed erratically and poorly in any drought conditions. The herbaceous perennials had few survivors in shale.

The big winners of the study were saxifrage pink, white stonecrop, and tasteless stonecrop, with saxifrage pink setting itself apart even further by having an attractive aesthetic appeal as well as a persistent flowering habit.

Plant selection is not always something immediately considered when weighing the benefits of a green roof, and studies like this one are useful for facilities managers and owners considering a transition to a green roof.

The complete study is available at the HortTechnology web site

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Tennant Company is a recognized leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. With thousands of satisfied customers already using award winning ec-H2O technology, why not see what you're missing? Test ec-H2O on your soils in your facility. Get a free demo.

 

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Visit our website today to learn about the design flexibility of a Morton building and the endless possibilities of partnering with our designBUILD team.


Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

We Can Help You Reduce Energy by 30%

Our mission is to help our customers manage their buildings' energy costs, improve reliability, and enhance performance while having a positive impact on the environment.
CLICK HERE to find out how.

Add highly responsive multi-zone comfort to any building project, in any climate. Our CITY MULTI H2i R2- and Y-Series VRF systems give you flexibility to fit the needs of any building. Enjoy 100% heating capacity at 0°F outdoor ambient, and 85% heating capacity at -13°F outdoor ambient.  For more information, log on to www.mitsubishipro.com


Tennant Company is a recognized leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. With thousands of satisfied customers already using award winning ec-H2O technology, why not see what you're missing? Test ec-H2O on your soils in your facility. Get a free demo.


Tennant Company is a recognized leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. With thousands of satisfied customers already using award winning ec-H2O technology, why not see what you're missing? Test ec-H2O on your soils in your facility. Get a free demo.

 

Replace core drilling with Connectrac In-Carpet and On-Floor Wireways, the proven connectivity solution in open interior spaces of all kinds. These elegant low-profile wireways are great for AV / telecom connectivity wherever it’s needed.

Bluebeam® Revu® simplifies digital facilities document management from design review to leveraging as-builts, maintenance manuals and O&Ms submittals.


 
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