Based on the provided information, basement wall crack repair is generally covered by a warranty from professional contractors, though there are specific conditions and limitations:

• Type of Warranty: Rocky Mountain Steel Piering (RMSSCO) offers a limited, transferable warranty on their crack repair work.
• Site-Specific Terms: Because residential conditions vary significantly, specific terms and conditions are only confirmed after a professional on-site inspection. The company notes that an absolute guarantee cannot be provided for every unique situation.
• DIY Risks: Homeowners are cautioned against attempting self-repairs. DIY fixes often fail and can void any existing warranty that might have been in place, potentially leading to further structural damage.
• Professional Consultation: For a warranty to be valid and to ensure the long-term stability of the repair, the work should be performed by trained installers following an engineered assessment.