Warranties offered on foundation crack repair work can vary depending on the company and the repair method used. However, here are some types of warranties commonly offered:

• Satisfaction Guarantee: Some contractors offer a satisfaction guarantee, meaning they commit to ensuring you are satisfied with the work performed. If you are not satisfied, they pledge to rectify the situation according to agreed terms.
• Labor Warranty: This warranty covers labor defects for a specific period after the crack repair. If an issue arises due to faulty installation or unsatisfactory workmanship, the contractor pledges to rectify it at no additional cost to you.
• Materials Warranty: Some materials used in foundation crack repair may come with a manufacturer's warranty. This warranty covers manufacturing defects of the materials used in the repair, and the contractor can provide you with details of this warranty.
• Water Leak Warranty: If the crack repair aims to prevent water leaks or infiltrations, some contractors offer a specific warranty against water leaks. This warranty ensures that the repaired area will remain watertight for a specified period.
• Structural Warranty: In some cases, contractors offer a structural warranty to guarantee that the repaired foundation will maintain its structural integrity for a specific period. This may cover damage caused by future soil movements, earthquakes, or other events.

It is important to carefully review the terms and conditions of any warranty offered by the contractor and ask questions to clarify any ambiguities before proceeding with the foundation crack repair. This will help you understand exactly what is covered by the warranty and what your remedies are in case of issues in the future.