Certified Residential Appraiser Practice Exam

What material is brick primarily made of?

1. Concrete

2. Stone

3. Clay

4. Gypsum

The correct answer is: Clay

Brick is primarily made of clay, which is a natural material that can be mined, shaped, and fired to create durable building components. The process of making brick involves mixing clay with water, forming it into the desired shape, and then firing it in a kiln at high temperatures. This firing process causes the clay particles to vitrify, making the brick hard and weather-resistant. While there are additional types of bricks, such as those that may include concrete aggregates or are made from other materials, traditional clay bricks have been used for centuries and are valued for their thermal mass, insulating properties, and aesthetic appeal. Understanding this foundational aspect of brick composition is crucial for anyone working in construction, architecture, or appraising residential properties.