Concrete Requirements.
Type of Concrete | Strength (pounds per square inch) |
|---|---|
Class A | 4,500 |
Class B | 3,500 |
Class C | 3,000 |
Class D | 2,500 |
Concrete Requirements.
Type of Concrete | Strength (pounds per square inch) |
|---|---|
Class A | 4,500 |
Class B | 3,500 |
Class C | 3,000 |
Class D | 2,500 |