- First-class brick has a compressive strength of 105 kg/cm². - The compressive strength of a second-rate brick is 70 kg/cm². - Common building bricks have a

- First-class brick has a compressive strength of 105 kg/cm². - The compressive strength of a second-rate brick is 70 kg/cm². - Common building bricks have a compressive strength of 35 kg/cm² - The compressive strength of sun-dried brick is between 15 and 25 kg/cm². Source: https://housing.com/news/compressive-strength-of-bricks-meaning-assessment-and-how-to-test/ https://housing.com/news/compressive-strength-of-bricks-mean...