Sometimes such nonstructural cracks in driveways and sidewalks become more than just an eyesore. Tree roots and impact from vehicles can cause raveling as well as vertical and horizontal offsets at the cracks. When these offsets become trip hazards, repairs are necessary. Sometimes structural cracks manifest themselves with some side effects. Doors and windows do not open and close easily.
Floors feel uneven.
Vinyl flooring tears as a result of crack movement. Stucco begins to show new cracks and even interior corners may develop new cracks. Longitudinal cracks can develop along the length of the foundation as a result of corrosion of reinforcement. When in doubt, consult a professional concrete engineer to investigate the cause of distress and evaluate the condition of the concrete. As a homeowner, you could assist such a professional by keeping a periodic log of Crack progression Crack widths Landscape irrigation schedule, especially big tree removal dates Removal of a big tree next to a house can cause sudden changes in the soil moisture level and cause soil movement.