The causes are many:

• Erosion
• Sink Holes
• Excessive Weight
• Poor Preparation
• The Base supporting slab has failed

Problems that are caused by sinking concrete:

• Dangerous Trip Hazards
• Pooling Water
• Water drains toward foundation
• Damage to interior walls
• Damage to snow blowers and plows
• Uneven appearance can be unsightly, lowering property values

Common Places for Concrete Lifting:

• Garage Floors
• Streets
• Office Floors
• Factory Floors
• Sidewalks / Walkways
• Stoops
• Driveways
• Patios
• Pool Decks