Gerdau Ameristeel Launches ZBAR(TM), Next Generation in Reinforcing Steel Corrosion Protection

Jun 02, 2006, 01:00 ET from Gerdau Ameristeel Corporation

    KNOXVILLE, TN, June 2 /PRNewswire-FirstCall/ - Gerdau Ameristeel
 Corporation (TSX: GNA.TO, NYSE:   GNA) - Gerdau Ameristeel announced today
 the introduction of a new patent pending dual coating process for concrete
 reinforcing steel. This process involves applying a thermal-bonded zinc
 inner layer combined with a thermal-bonded polymer outer layer to a
 conventional reinforcing steel bar. The innovative process and product,
 called ZBAR(TM), provides extra protection against corrosion.
     "We are excited to introduce a new product for the construction
 industry that will help protect and extend the life of concrete
 structures," said Neal McCullohs, Vice President of Downstream Operations
 for Gerdau Ameristeel.
     ZBAR(TM) has been evaluated per ASTM A944, is readily available and can
 be substituted for any reinforcing steel product. ZBAR(TM) consists of
 using A615 or A706 reinforcing steel bars combined with two powerful
 corrosion barriers, each with uniform thickness.
     "Lab results show that a concrete structure using ZBAR(TM) has more
 than sufficient resistance to chloride-induced corrosion for an expected
 lifetime of 100 years," states Dr. Gerardo Clemena, Ph.D., principal
 research scientist for the Virginia Transportation Research Council.
     For more information on ZBAR(TM) call Toll Free: 888.637.9950 or visit:
     About Gerdau Ameristeel
     Gerdau Ameristeel is the second largest minimill steel producer in
 North America with annual manufacturing capacity of over 8.4 million tons
 of mill finished steel products. Through its vertically integrated network
 of 15 minimills (including one 50%-owned minimill), 17 scrap recycling
 facilities, and 43 downstream operations, Gerdau Ameristeel primarily
 serves customers in the eastern two-thirds of North America. The company's
 products are generally sold to steel service centers, to fabricators, or
 directly to original equipment manufacturers for use in a variety of
 industries, including construction, cellular and electrical transmission,
 automotive, mining and equipment manufacturing. Gerdau Ameristeel's common
 shares are traded on the Toronto Stock Exchange under the symbol GNA.TO and
 the New York Stock Exchange under the symbol GNA.

SOURCE Gerdau Ameristeel Corporation