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ACI Spring 2010 Convention
March 21 - 25, 2010
Marriott Rivercenter Hotel & Henry B. Gonzalez Convention Center -- San Antonio, TX

NRMCA Sustainable Conference
April 12 - 15, 2010
Tempe, AZ

International Parking Institute Conference & Expo
May 10 - 12, 2010
Mandolay Bay - Las Vegas, NV

International Bridge
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June 6 - 9, 2010
David L. Lawrence Convention Center - Pittsburgh, PA

ACI Fall 2010 Convention
October 24 - 28, 2010
The Westin Convention Center -- Pittsburgh, PA


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Applying a power trowel finish to silica fume concrete can certainly be done, if the requirements of the project dictate. This step should not be required for most applications. It may be necessary for heavy-duty floors or floors in food processing areas.

To apply this type of finish, the contractor must wait until the concrete has gained enough strength to support the weight of the finisher and the trowel. The silica- fume concrete must be protected from drying during this waiting period. Usually, such placements are done by specialty contractors who are familiar with the requirements for more complex floor finishing.