Copolyester sheet can cut costs and installation time associated with flood containment compared to sandbags, according to the developer of the Rapid Deployment Flood Wall.
Geocell Systems Inc. said using the wall makes the time-consuming task of filling and stacking sandbags unnecessary. Other uses include military and civilian protection systems, according to Eastman Chemical Co., a supplier of copolyester resin used to make sheet for the flood wall.
The flood wall is an expandable, stackable, modular wall filled with sand or other locally available materials. Eastman said it can be constructed in one-twentieth the time and with one-fifth the labor of a comparable sandbag wall.
``Until now, there has been no other choice but to use sandbags for flooding emergencies and rapid force protection needs,'' noted Al Arellanes, president of Geocell in Mountain View, Calif. The Eastman resin, a highly modified copolyester that so far has no trade name, met Geocell's criteria for clarity, toughness and flexibility, he said in a news release.
The flood wall also has a range of potential military uses. The product originally was designed for bomb-blast protection for the U.S. Army. Eastman said the wall is more cost effective than sandbags because it is reusable and long-lasting. Geocell long has worked on projects for the U.S. Army Corps of Engineers.
Kingsport, Tenn.-based Eastman is the exclusive supplier of the copolyester.
Spartech Corp. of Clayton, Mo., extrudes the material into 25-mil-thick sheet assembled by Geocell.
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