
The Role of Expansion Joints in Concrete Patios
Concrete surfaces may look tough and permanent, but they’re constantly affected by temperature, moisture, and ground movement. These shifts cause concrete to expand and contract throughout the year. Without a way to handle that movement, cracks and uneven surfaces are almost guaranteed. This is especially true for patios. These outdoor slabs face direct sun, rain, snow, and shifting soil. That’s why expansion joints aren’t optional—they’re critical to the life and