These fixes are all easily accomplished with the right few tools and determination, so don't be afraid to tackle this simple yet rewarding job yourself.
Hairline cracks are less than a 1/4 inch wide and are commonly seen in driveways and sidewalks.
Cracks wider than 1/4 inch are a bit more challenging to repair but can be filled similarly to the method mentioned above.
Cracking is caused by various environmental factors, including shifts in the ground, the freeze-thaw cycle, and stress from driving your car over it constantly.