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Advertising supplement provided by
American Hydrotech, Inc.
By Celeste Allen Novak, AIA, LEED AP
Roots are Contained by Barriers
Whether planting smaller grasses or larger shrubs, all plants
have roots. The balance between protecting the membrane from
damage and promoting healthy root growth and spread (not confining
or killing roots) is the primary goal of a root barrier. Root
barriers can vary depending on the type of plants. For species
with aggressive root systems, contractors can lay asphaltic
sheets with an embedded repelling agent or heavy duty plastic
sheets with taped or overlapping seams to prevent root penetrations.
For smaller plants with less aggressive root systems, thin
polyethylene sheets are installed, again overlapped with seams.
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Required Reading
To receive AIA/CES credit, you are required to
read this additional
text. For a faxed copy of the material, e-mail
American Hydrotech at info@hydrotechusa.com.
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This article is available in
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American Hydrotech’s Garden Roof® Assembly
has helped to focus the building industry on the
potential of “sustainable” design with
respect to the rooftop. Additional usable space,
mitigation of the urban heat island effect, stormwater
management, as well as numerous other environmental,
technical and owner benefits are achieved. The
foundation upon which this assembly is built is
Hydrotech’s Monolithic Membrane 6125®
roof membrane with over 40 years of successful
applications in the U.S. Hydrotech can provide
every component of the Garden Roof Assembly (the
roof membrane, insulation, garden roof components
and even the soil), to assure single source responsibility.
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