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  • Serving the St. Louis Area Since 1955

    From castles to cottages,
    see why more than 40,000 homeowners have trusted their basements to Quality Waterproofing.
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  • Waterproofing

    Quality Waterproofing protects your house from water infiltration so you can get back to the important things in life. Read More
  • Air Quality

    Breathe easy knowing your air is free of excess mold, toxins, and allergens with Quality Waterproofing’s EZ Breathe System. Read More
  • Foundation Repair

    Quality Waterproofing is not a franchise, so we can offer customized, affordable solutions to repair your home’s foundation. Read More
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  • Waterproofing Icon
  • Waterproofing
  • Permanent waterproofing services completed by workers you can trust.
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  • Foundation Repair Icon
  • Foundation Repair
  • Time tested processes and virtually unbreakable materials to fully restore your home's foundation.
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  • Indoor Air Quality
  • Indoor Air Quality
  • Get a real breath of fresh air in the comfort of your home.
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Diagnose Your Problem Online

Our online diagnostic tool can help you identify the source of leaky basements, foundation problems and crawlspace issues, and show our recommended solution.

Learn More With our diagnostic tool

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See us in action

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  • Foundation Repair
  • Waterproofing
  • Exterior drain (French Drain) system in action.
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    • Waterproofing
  • New construction waterproofing with filtered drainage board.
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    • Waterproofing
  • Tech is using state-of-the-art dustless saw system.
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    • Waterproofing
  • Carbon Fiber wall bracing to stabilize horizontal wall cracking.
    • Foundation Repair
  • Carbon Fiber wall bracing to stabilize horizontal wall cracking.
    • Foundation Repair
  • Carbon Fiber wall bracing to stabilize horizontal wall cracking.
    • Foundation Repair
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