In warm weather, concrete block should not be laid on the footing until _____ have/has passed.
A) two weeks
B) one week
C) 3 days
D) 48 hours

Name: In warm weather, concrete block should not be laid on the footing until _____ have/has passed. A) two weeks B) one week C) 3 days D) 48 hours
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Question

Quizplus · Accepted Answer

Concrete blocks should not be laid on the footing until at least 3 days have passed to ensure the footing has had sufficient time to cure and gain enough strength to support the blocks.

In Warm Weather, Concrete Block Should Not Be Laid on the Footing