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| | AACS,Inc. Autoclaved Aerated Concrete Systems |
 | | New York, NY - March 23, 2001 - Autoclaved Aerated Concrete Systems, Inc. is proud to announce that New York City has approved the use of Autoclaved Aerated Concrete (AAC) blocks and panels in building construction projects. |
 | | Autoclaved Aerated Concrete is a mixture of portland cement, quicklime, sand, water and aluminum powder. |
 | | The chemical interaction of these "aerated" natural materials creates a porous, closed cell masonry material, which reaches full strength in less than twenty-four hours and is roughly one-third the weight of stone concrete. |
| www.aacsinc.com /NEWS.htm (257 words) |
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