Curbscapes offers a life time guarantee against cracks between expansion joints once the thirty day curing process is complete. Our cement curbing is reinforced with fiber meshing which allows for a more durable product extending the life of the curbing. The guarantee Does Not cover against roots extruding through the cement curbing. Curbscapes is not responsible for any damage that may occur to the curbing after it is poured. Your new cement curbing is guaranteed from installation defects.