.seo-noscript-fallback{font-family:system-ui,-apple-system,sans-serif;max-width:42rem;margin:0 auto;padding:1.5rem 1rem;line-height:1.55;color:#0f172a;background:#fff} .seo-noscript-fallback h1{font-size:1.625rem;font-weight:700;margin:0 0 .75rem;line-height:1.2} .seo-noscript-fallback h2{font-size:1.05rem;font-weight:600;margin:1.25rem 0 .5rem} .seo-noscript-fallback p{margin:0 0 .75rem;color:#334155} .seo-noscript-fallback ul{margin:.25rem 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:.35rem .9rem} .seo-noscript-fallback li{display:inline} .seo-noscript-fallback a{color:#0369a1;text-decoration:underline}

Waterproof Ontario — Basement Waterproofing & Foundation Contractors

Find licensed basement waterproofing and foundation contractors across Ontario: interior and exterior waterproofing, sump pumps, drainage, weeping tile, crack repair, and leak fixes. Browse our directory, read guides, compare contractors, and request free estimates.

Main pages

Enable JavaScript for the full experience. This site works best in a modern browser.