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April 4 - April 10, 2011

On a parking deck with harsh exposure conditions--to road salts, frequent wetting, freeze-thaw cycles, and some exterior weathering—what generic type of film-forming coating works best and why?

Selected Answers

From Bruce P. Duval of JFB Hart Coatings, Inc. on April 20, 2011:
We have completed a few parking garages with interior and exterior exposures that have been subjected to all of the above with great success with our water-based aliphatic/polyester urethane.

From Joe Rokowski of Dow Chemical on April 12, 2011:
A high-quality, abrasion-resistant aliphatic polyurethane coating will work well in this environment but it is necessary to clean the substrate and apply a primer before application of the polyurethane. It would be useful to broadcast sand in the top layer while wet to prevent slipping and skidding.

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Tagged categories: Coatings Technology; Coatings technology; Exposure conditions

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