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The average home foundation lasts between 80 and 100 years, but some can last much longer with proper maintenance and routine inspections. The lifespan depends on the foundation type, soil conditions, climate, and construction quality. Poured concrete walls can last up to 200 years, brick or stone foundations over 100 years, cement block foundations 80 to 100 years, and pier foundations about 75 years. Factors that can shorten a foundation's life include expansive clay soil, poor weather conditions, low-quality building materials, improper construction, and tree roots. Signs of damage include sloping floors, bowing walls, cracks, and doors or windows that stick.

Efflorescence can damage a concrete slab for two to three years. After that, it resolves on its own once the surrounding salts are gone.

Yes, it is worth repairing concrete cracks. Concrete cracks are normal, and they can be hard to keep from appearing. However, it is worth repairing cracks in concrete for many reasons. For example, it’s possible to repair concrete to the point where the repair is almost invisible. Also, if the crack is left alone, it can become bigger and more expensive to fix over time.

The average cost to repair a concrete driveway ranges from approximately $830 to $2,800, with a typical project costing around $1,765. The price varies widely depending on the type and extent of the damage. Minor crack repairs can be as low as $0.10 to $0.15 per linear foot and may be a DIY project. More significant repairs are priced per square foot: replacing a damaged slab costs about $6 to $14, while raising or leveling sunken concrete costs $3 to $25. Resurfacing is another option, costing around $3 to $5 per square foot. Factors influencing the total price include the size of the affected area, whether reinforcement is needed, and labor costs.