Instructive about the minimization and treatment of wet storage stain, this publication prescribes surface treatments and remedial actions.
Wet storage stain is a white or gray powdery deposit that can develop on newly galvanized...
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Wet Storage Stain - A Pictorial Explanation
Developed in 2003, this one page handout compares two guardrail applications to explain wet storage stain. Both guardrail sections were galvanized on the same day in the same batch. One developed a mild case of wet storage stain, while the other piece did not. The pictures and detail explain how the natural weathering of galvanized steel will even out any differences in appearance.
Copies of this resource are available for purchase. Architects, engineers, and other specifiers in North America may request a single copy of any publication at no charge, unless otherwise indicated. Multiple copies require a $25.00 (US funds) minimum order, plus shipping and handling. Prepayment is required. (Member galvanizers are not eligible for complimentary printed copies and require a $75.00 minimum order.) Non-member galvanizers must contact the AGA directly at 720-361-4483.