A roller is a powerful piece of construction machinery designed for compacting surfaces. It features a large cylindrical drum mounted on an axle that presses down and smooths soil, asphalt, or other materials. By applying weight and vibration, rollers increase density and stability, which is essential for building durable roads, foundations, and retaining structures.

They come in different types and sizes—such as single-drum, double-drum, and pneumatic rollers—each suited to specific tasks. For example:

• Single-drum rollers are often used in earthwork projects.
• Double-drum rollers are common in asphalt paving.
• Pneumatic rollers use rubber tires to provide kneading action, ideal for finishing surfaces.