A1 Waterproofing
Family-owned basement waterproofing and drainage firm in London, Ontario, handling sump pumps, French drains, weeping tile and foundation crack repair, with emergency service and a 25+ year transferable warranty.
What they do
The company works on basement flooding in London, Ontario and nearby towns. Its basement work covers sump pumps, French drains, weeping tile and basement waterproofing, and it also repairs foundation cracks. Flooded basements, power outages and mould are among the problems it takes on. Battery backup is offered as part of its sump pump work. Emergency service is available, and free estimates can be requested in person or online. Weekday hours run Monday to Friday. Work is carried out by the company's own crew, and its 25+ year warranty stays with the home if it is sold. The business is family-owned and has been operating in London for over a decade.
- Sump pumps
- French drains
- Weeping tile
- Basement waterproofing
- Foundation crack repair
- Flooded basements
Listed under Basement flooding and sewer backup
Where they work
What we checked
Checked 12 Nov 2026, from public sources.
Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.
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