New Sonotube(R) Form With RainGuard(TM) Technology Now Available Throughout U.S. and Canada

January 23, 2006

Patent-pending technology now minimizes a frequent contributor to construction delay - inclement weather HARTSVILLE, S.C., Jan. 20 /PRNewswire-FirstCall/ -- Sonoco (NYSE:SON) , the market and technology leader in the design and manufacture of concrete column forms, today announced the launch throughout North America of its new water-resistant Sonotube(R) concrete form with RainGuard(TM) technology.

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