Cement bricks also known as concrete bricks are a type of building material made from a mixture of:

1. Cement (usually Portland cement)

2. Aggregates (such as sand gravel or crushed stone)

3. Water

They are molded into rectangular shapes and cured to create a hard durable and versatile building material. Cement bricks are widely used for:

1. Building foundations

2. Walls

3. Pavements

4. Patios

5. Walkways

6. Architectural features (e.g. columns arches)

Characteristics of cement bricks:

1. High compressive strength

2. Durability and long lifespan

3. Resistance to weathering and erosion

4. Fire resistance

5. Low maintenance requirements

6. Can be made with various textures and colors

Types of cement bricks:

1. Solid bricks

2. Hollow bricks

3. Perforated bricks

4. Glazed bricks

5. Engineering bricks (high-strength and low-absorption)

Cement bricks are a popular choice for construction projects due to their strength durability and affordability.