Doug Reardon

surface preparation to primer prep-to-prime

Window of Time – Surface Preparation to Priming

Introduction Coating specifications and contract documents often contain stipulations for the maximum length of time a prepared steel surface can remain uncoated. We’ll refer to this as the “prep-to-prime window.” This brief article highlights common requirements, discusses the purpose of the requirements, presents industry references, questions the variability in the time periods, and explores a

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