SC Landscape Contractor Practice Questions - South Carolina Commercial Landscape Contractor License Exam

What is the proper concrete mix for exterior flatwork in South Carolina?

Any available interior mix 3,500-4,000 PSI concrete with proper air content for exterior durability 1,500 PSI lightweight mix Mortar mix for all exterior applications

Correct Answer:

3,500-4,000 PSI concrete with proper air content for exterior durability

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