Systèmes Sous-sol Québec
Laval-based waterproofing contractor for basement water seepage, with sump pump and French drain work, foundation crack repair and mould remediation, serving Laval, Montréal, Longueuil and Terrebonne.
What they do
The company is based in Laval and does most of its work on basement water problems. Its jobs include sump pump installation, French drain installation, basement waterproofing and foundation crack repair. It also handles mould remediation where water has got into a home. The company works in Laval, Montréal, Longueuil and Terrebonne, and further afield across Québec. Free estimates are offered, with an on-site inspection and a written quote. Financing is available, and its waterproofing products carry a lifetime warranty. It works weekdays, Monday to Friday, and is closed on weekends.
- Sump pumps
- French drains
- Basement waterproofing
- Foundation crack repair
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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