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# Ontario Foundation Group: Hamilton's 20+ years trusted foundation repair & basement waterproofing company. Honest assessments, clear pricing & lab-verified results across the GTA.

## Sitemaps
[XML Sitemap](https://ontariofoundationgroup.ca/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Foundation Repair Services Oakville: What to Know?](https://ontariofoundationgroup.ca/foundation-repair-services-oakville/): Your foundation keeps your home strong and stable. But over time, cracks and water problems can appear.
- [How big of a foundation crack is serious?](https://ontariofoundationgroup.ca/how-big-of-a-foundation-crack-is-serious/): A foundation crack around 1/8 inch (3 mm) or wider deserves a closer inspection, especially if it is getting wider, leaking water, or accompanied by bowing/settlement. CMHC guidance specifically flags cracks over 3 mm (1/8") for repair/assessment.
- [Before and After Crawl Space Vapor Barrier](https://ontariofoundationgroup.ca/before-and-after-crawl-space-vapor-barrier/): A before and after crawl space vapor barrier comparison shows the difference a proper moisture barrier can make. It helps block moisture from the soil. It also helps create a cleaner and drier crawl space.
- [How to Get Rid of Musty Smell in Basement: Find and Fix the Real Cause ](https://ontariofoundationgroup.ca/how-to-get-rid-of-musty-smell-in-basement/): A musty smell in your basement is usually a sign that moisture is trapped somewhere. The odor may come from damp walls, mold or mildew, high humidity, water seepage, wet building materials, or poor ventilation. While air fresheners and odor absorbers can temporarily mask the smell, the best way to get rid of it is to find and eliminate the source of moisture. 
- [How Much Does Foundation Crack Repair Cost Hamilton?](https://ontariofoundationgroup.ca/foundation-crack-repair-cost-in-hamilton/): Finding a crack in your basement wall or water coming through your foundation can be worrying. One of the first questions most homeowners ask is simple: How much will foundation repair cost in Hamilton? There is no single price for foundation repair. 
- [Waterproofing Older Ontario Homes: A Homeowner’s Guide](https://ontariofoundationgroup.ca/waterproofing-older-ontario-homes-a-homeowners-guide/): If you own an older home in Ontario, basement moisture may be a familiar problem. Heavy rain, melting snow, high groundwater, and Ontario’s freeze-thaw cycles can put constant pressure on an aging foundation. That is why waterproofing older Ontario homes is an important part of protecting your property.
- [Why Does a Basement Leak After Heavy Rain?](https://ontariofoundationgroup.ca/why-basements-leak-after-heavy-rain/): If your basement stays dry in normal rain but leaks during a big storm, the cause is usually hydrostatic pressure, a foundation crack, poor grading, a clogged eavestrough, a damaged downspout, tired waterproofing, or a struggling sump pump.

## Pages
- [Exterior Waterproofing Hamilton](https://ontariofoundationgroup.ca/locations/hamilton/exterior-waterproofing-hamilton/): Protect your Hamilton home from leaks and water damage with professional exterior waterproofing. We seal your foundation, stop moisture from getting in, and keep your home dry.
- [Home](https://ontariofoundationgroup.ca/): Ontario Foundation Group is a licensed foundation repair company serving Ontario and the GTA, built on the straightforward idea that homeowners deserve honest answers, fair pricing, and repair work that actually holds up over time. We are local foundation repair experts who have spent 20+ years working on Ontario specific housing stock, the older concrete block foundations, the clay-heavy soil conditions, and the drainage challenges that come with Ontario's freeze-thaw cycles, and we understand these homes in a way that only comes from actually working on them week after week.
- [Basement Waterproofing Stoney Creek](https://ontariofoundationgroup.ca/locations/stoney-creek/basement-waterproofing-stoney-creek/): It's the exact same disciplined process behind our basement waterproofing Hamilton, basement waterproofing Burlington, basement waterproofing Oakville, basement waterproofing Ancaster, and basement waterproofing Dundas services.
- [Basement Waterproofing Dundas](https://ontariofoundationgroup.ca/locations/dundas/basement-waterproofing-dundas/): A wet basement is stressful but it doesn't have to be complicated. Our basement waterproofing Dundas team gets to the root of the problem quickly, using solutions built specifically for the way water moves through Dundas properties. Whether it's a hairline foundation crack or a basement that floods every spring, we've got it covered.
- [Basement Waterproofing Ancaster](https://ontariofoundationgroup.ca/locations/ancaster/basement-waterproofing-ancaster/): Yes. Storm-related leaks are common and usually trace back to a foundation crack, drainage failure, or worn waterproofing. Our basement waterproofing Ancaster team identifies and repairs the actual cause, not just the symptom.
- [Basement Waterproofing Oakville](https://ontariofoundationgroup.ca/locations/oakville/basement-waterproofing-oakville/): Searching for dependable basement waterproofing in Oakville? We help local homeowners keep their basements dry and their foundations protected with practical, proven waterproofing methods suited to Oakville's soil and climate. From minor seepage to major foundation leaks, our basement waterproofing Oakville team gets it fixed and keeps it fixed.
- [Basement Waterproofing Burlington](https://ontariofoundationgroup.ca/locations/burlington/basement-waterproofing-burlington/): Looking for reliable basement waterproofing in Burlington? We help homeowners protect their homes from water damage with professional basement waterproofing services built for Burlington's climate and soil conditions. From wet basements to foundation leaks, our basement waterproofing Burlington team delivers lasting, dependable results the same trusted approach we bring to homeowners through our basement waterproofing Hamilton service.
- [Basement Waterproofing Hamilton](https://ontariofoundationgroup.ca/locations/hamilton/basement-waterproofing-hamilton/): Looking for reliable basement waterproofing in Hamilton? We help homeowners protect their homes from water damage with professional waterproofing services built for Hamilton's climate and soil conditions. From wet basements to foundation leaks, our basement waterproofing Hamilton team delivers lasting, dependable results.
- [Privacy Policy](https://ontariofoundationgroup.ca/privacy-policy/): HOME
- [Terms & Conditions](https://ontariofoundationgroup.ca/terms-conditions/): HOME
- [Blog](https://ontariofoundationgroup.ca/blog/): HOME
- [Stoney Creek](https://ontariofoundationgroup.ca/locations/stoney-creek/): Professional foundation repair and waterproofing services across Stoney Creek.
- [Dundas](https://ontariofoundationgroup.ca/locations/dundas/): Basement flooding Dundas Hamilton homeowners experience during storm season is one of the most preventable problems a properly installed sump pump system addresses, particularly in Dundas's valley location where drainage naturally flows toward lower-lying properties during heavy rain events. Our sump pump installation Dundas Ontario service covers new installations, sump pump repair Dundas Ontario homeowners need when existing systems fail, battery backup options for power outage protection during storms, and emergency response for pump failures during active rain events, with upfront pricing and no obligation to upgrade beyond what your home genuinely needs.
- [Ancaster](https://ontariofoundationgroup.ca/locations/ancaster/): HOME
- [Oakville](https://ontariofoundationgroup.ca/locations/oakville/): Basement flooding Oakville Ontario homeowners experience during storm season is one of the most preventable problems a properly installed sump pump addresses. Our sump pump installation Oakville Ontario service covers new system installations, sump pump repair Oakville Ontario homeowners need when existing pumps fail, battery backup options for power outage protection, and emergency response for pump failures during active rain events, with clear upfront pricing and a free estimate before any work begins.
- [Burlington](https://ontariofoundationgroup.ca/locations/burlington/): Reliable Foundation Repair Burlington Ontario services? We provide expert Foundation Repair, Foundation Crack Repair, and Basement Waterproofing solutions to protect your home from water damage. Our team specializes in Interior Waterproofing, Exterior Waterproofing, and Sump Pump Installation to keep your basement dry and secure. Trust our professional solutions for a stronger, safer foundation.
- [Hamilton](https://ontariofoundationgroup.ca/locations/hamilton/): Basement flooding Hamilton Ontario homeowners experience during peak storm season is one of the most preventable problems a properly installed sump pump addresses. Our sump pump installation Hamilton service covers new installations, replacements, battery backup systems, and emergency sump pump repair Hamilton homeowners need when a pump fails at the worst possible time, with clear, upfront pricing and no pressure to upgrade beyond what your home actually needs.
- [location](https://ontariofoundationgroup.ca/locations/): HOME
- [Exterior Waterproofing](https://ontariofoundationgroup.ca/services/exterior-waterproofing/): That means excavating the affected foundation, repairing cracks and weak joints, installing a proper exterior waterproofing membrane, improving drainage, and protecting the finished system with a drainage board.
- [Interior Waterproofing](https://ontariofoundationgroup.ca/services/interior-waterproofing/): Our interior waterproofing services in Ontario are designed to control basement water from inside your home. We install reliable interior drainage and waterproofing solutions that collect water and direct it safely away from your basement.
- [Basement Waterproofing](https://ontariofoundationgroup.ca/services/basement-waterproofing/): Basement waterproofing means protecting your basement from water and moisture. It helps stop water from entering through cracks, walls, floors, or poor drainage. Waterproofing can include sealing cracks, improving drainage, or installing a sump pump. In simple words, it keeps your basement dry and prevents problems like mold, dampness, bad smells, and water damage.
- [Services](https://ontariofoundationgroup.ca/services/): HOME
- [Contact Us](https://ontariofoundationgroup.ca/contact-us/): HOME
- [About Us](https://ontariofoundationgroup.ca/about-us/): HOME