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Building permits are issued by Erie County or the City of Erie Building Department. Most projects over $500 require a permit.

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  1. Home
  2. Foundation & Waterproofing
  3. DIY vs. Pro
Decision guide · Erie, PA

Foundation & Waterproofing DIY vs. Hiring a Pro

Foundation & Waterproofing work involves systems that are buried, structural, or both. DIY is mostly limited to monitoring and prevention; once anything is wrong, the cost-benefit strongly favors a pro.

Before you start: Foundation & Waterproofing problems compound rapidly and silently. Foundation failures threaten the entire structure and are excluded from most homeowner's insurance policies. Annual visual inspection is the cheapest insurance available.

Safe to DIY

Monitoring, prevention, and basic maintenance.

  • •Walking the perimeter quarterly for new cracks
  • •Photographing existing cracks with a coin for scale, monthly
  • •Maintaining proper grading away from foundation
  • •Cleaning gutters; extending downspouts away from foundation
  • •Running a dehumidifier in basements during humid months

Limited DIY (small fixes only)

Some minor repairs are doable for handy homeowners.

  • •Filling small (<1/16-inch) cracks in poured concrete with sealant
  • •Painting basement walls with waterproofing paint (cosmetic)
  • •Installing a sump pump where infrastructure exists
  • •Improving exterior drainage with downspout extensions

Always call a foundation & waterproofing pro

Specialized equipment, code, or structural concerns.

  • •Cracks larger than 1/4 inch, widening cracks, or stairstep cracks
  • •Active water entry through walls or floor
  • •Bowing or leaning basement walls
  • •Settlement causing doors/windows to misalign
  • •Sump-pump replacements or system upgrades
  • •Interior or exterior waterproofing systems
  • •Egress window installations
  • •French drains, tile drains, or major drainage work

Decided you need a pro?

Get a free quote from a vetted foundation & waterproofing contractor in Erie. Most respond within hours.

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Frequently asked questions

How do I know if a foundation crack is serious?

Cracks under 1/8 inch wide that haven't grown in 6 months are usually fine — concrete settles. Cracks over 1/4 inch, growing cracks, stairstep cracks, or any horizontal cracks are urgent. Photograph with a coin for scale and call.

Why do basement walls bow inward?

Hydrostatic pressure from saturated soil pushing on the wall. Untreated, it leads to wall failure. Solutions range from drainage improvements (cheap) to wall anchors or carbon fiber straps (medium) to wall replacement (expensive). Catch it early.

Is interior or exterior waterproofing better?

Exterior is the gold standard but very expensive (excavation around the foundation). Interior systems (tile drains, sump pumps, vapor barriers) are 30-50% the cost and effective for most Erie homes. A pro should evaluate before recommending one.

Does foundation work require permits?

In Erie, structural foundation work almost always requires permits. Waterproofing without structural work usually doesn't. Always check before starting; permitted work also adds value at resale.

What's the cost of waiting on foundation issues?

Small cracks now: $200-500 to seal. Bowing walls now: $5k-15k. Failed wall later: $30k-80k. The math always favors early intervention.

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