Get matched with vetted local waterproofing companies to solve basement leaks, wet crawl spaces, and foundation cracks caused by London's clay-rich soils and extreme freeze-thaw cycles.
15 Min
Response Time
100%
Free Inspections
London
Local Partners
Vetted
Subcontractors
Whether you are protecting your home, selling, or managing a portfolio.
Ensure structural stability, dry storage areas, and eliminate hazardous mold spores. Protect your family and your single largest asset.
Address home inspector findings, repair foundation defects before listing, and obtain transferable warranties to protect transaction values.
Mitigate tenant complaints and prevent liability issues. Rapid turnaround on crack injections and cost-effective sump pump updates.
Techniques used by our vetted local partner network for London, ON homes.
High-pressure polyurethane or epoxy injection to seal leaking or structural basement wall cracks from the inside, without exterior digging.
High-capacity primary pumps, battery backup arrays, and water-level alert system integrations to prevent basement flooding.
New weeping tile installation, camera-scope inspections, and localized perimeter drain repairs or full replacement.
Vapour barrier liners, structural crawl space insulation, and dehumidification setups to stop moisture, mold, and rot.
Sub-floor weeping tile installations with integrated air-gap drainage membranes to channel water safely to a sump pump.
Full-depth excavation, crack sealing, and installation of elastomeric membranes and protective drainage boards.
Every home is different — final pricing depends on foundation depth, soil pressure, and access. Here is a general guide to help you budget before your free inspection.
Sub-floor membrane + sump pump
Generally the lower-cost, less invasive option since no excavation is required. Typically the fastest to complete, often within 1–2 days.
Full excavation + membrane
Generally the higher-cost option due to excavation, membrane installation, and landscaping restoration — but addresses the source of water intrusion directly.
Polyurethane / epoxy injection
Priced per crack rather than per linear foot of foundation — usually the most affordable fix for an isolated leaking crack.
These are general ranges for planning purposes only, not a quote. Request your free on-site inspection for an exact, home-specific estimate.
We only match you with partners who use industry-standard materials in Southwestern Ontario.
Zoeller Co.
Sump Pump Systems
Delta-MS
Air-Gap Membranes
Polyurethane
Crack Seal Resin
Schedule 40 PVC
Solid Drainage Pipes
From diagnostic submit to on-site expert consultation.
Use our quick wizard to select structural cracks, weeping tile failure, or dampness symptoms.
Ensure your home sits within our active London or Southwestern Ontario service areas (N5/N6 FSA zones).
We route your technical logs to an active local waterproofing crew. They contact you directly for a free estimate.
We connect homeowners across the city. Your request is routed to a specialized local partner crew based on regional soil density.
In Phase 2, a lightweight SVG vector map of London's FSA boundaries will load here for enhanced local engagement.
Straight answers about methods, cost, and insurance for basement waterproofing in London, Ontario.
For most London, ON homes, exterior waterproofing (excavation, membrane, and new weeping tile) gives the most complete, long-term protection because it stops water before it reaches the foundation wall. Interior systems (drainage membrane + sump pump) are faster and less invasive, and are often the more practical choice when full excavation is not possible.
In Southwestern Ontario, interior waterproofing typically runs lower than full exterior excavation, since exterior work involves digging, membrane replacement, and landscaping restoration. Exact pricing depends on foundation depth, soil conditions, and the extent of the leak — a free on-site inspection gives an accurate, home-specific number.
Coverage varies by policy and cause. Sudden, accidental water damage (e.g., a failed sump pump) is more commonly covered than gradual seepage through foundation cracks or groundwater infiltration, which many standard policies exclude. Check your policy wording or ask your insurer directly before assuming coverage.
No. Ontario Dry Basements is a free referral platform — we don't perform waterproofing, excavation, or foundation repair ourselves. We match you with independent, local contractors in London, ON who carry their own licensing, insurance, and warranties. All work, pricing, and agreements are handled directly between you and the contractor.
Get matched with a specialist servicing your specific Forward Sortation Area in London, ON.