
Foundation & basement waterproofing in O'Fallon, MO
O'Fallon has grown quickly since the 1990s, so much of its housing is subdivision homes built in the last few decades, many now reaching the age when roofs, water heaters and HVAC systems get replaced.
Need a foundation or waterproofing contractor in O'Fallon? Describe the job once, and up to 3 insured local pros who work in O'Fallon will reach out. It's free, and you're never obligated to hire anyone.
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What we see in O'Fallon
- Poured walls in newer homes commonly show small vertical shrinkage cracks. Many are cosmetic but should be sealed to keep water out.
- Basement leaks often trace back to window wells, downspouts or grading rather than the wall itself.
- Ask whether any builder or transferable warranty still applies before paying for repairs.
Questions to ask a foundation & basement waterproofing contractor
- What's causing the problem, and how does your fix address that cause?
- Do you recommend an independent structural engineer's evaluation?
- Which cracks are cosmetic and which are structural?
- What does the warranty cover, for how long, and does it transfer to a buyer?
- Will finished walls or flooring need to come out?
- Are you licensed where required and insured?