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How does US 10B wear on a building exterior? [Massachusetts] 

November 15, 2006

I am an Architect and have a project that the aluminum door pulls that were specified as US10B are wearing. The bronze finish is wearing off in less than one year on doors that do not get much use. Is this normal? What should this finish look like in one year?

Charles W. Cramer AIA
architect - Norton, MA

US10B bare or lacquered will corrode very fast. I suggest that you put clear powder coat over the US10B finish.

Robert H Probert Robert H Probert Technical Services Garner, NC, USA Editor's note:        Mr. Probert is the    author of Aluminum How-To