Home Inspection Flashcard #239


What's Your Call?

What is a likely cause of the discoloration of the concrete in this photo?

a. Plastic settling of concrete above rebar allowing moisture intrusion.

b. Excessively corroded rebar installed at time of original construction.

c. Excessively alkaline concrete reacting with steel rebar

d. Admixtures used for concrete placement during hot weather reacting chemically with pozzolans in concrete.

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