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Ottawa’s Choice Foundation Repair Specialists


Home & Business Foundation Repair Services in Ottawa

Whether your home or business’ foundation has one or many cracks where water is penetrating through the walls from the outside, Dumont Foundations & Interlock is your go-to source for professional foundation repair services in Ottawa.


Reliable Waterproofing Solutions

Ask us about our 25-year limited warranty against water seepage.

Waterproofing Solutions that Work

Foundation problems are a result of many factors (i.e. soil, roots, elements, drainage, and time). Whether it’s to fix one crack or a larger perimeter, we proceed the same way when taking on foundation repair and waterproofing:

  • Excavate foundation from grade down to footing, exposing entire wall area
  • Test existing, if any, weeping tile for positive flow
  • Identify, clean, and repair existing crack(s)
  • Install an air gap membrane
  • Install new weeping tile system (for that area)
  • Backfill with granular stone
  • Reinstate landscaping
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