If you’re looking for reliable basement waterproofing in London Ontario, you’ve come to the right place. At A1 Waterproofing, we specialize in keeping basements dry, safe, and protected from water damage. Whether you’re dealing with foundation cracks, high water tables, or poor drainage, our team offers permanent, affordable solutions backed by a solid warranty.
Water intrusion can lead to serious structural damage, mold growth, and costly repairs. That’s why our basement waterproofing systems are designed specifically for London Ontario’s climate and soil conditions.
We offer both interior and exterior waterproofing solutions depending on the cause and severity of the water issue. Our process includes full excavation (when needed), weeping tile replacement, membrane installation, and interior drainage systems.
You can also explore our Interior vs Exterior Waterproofing Comparison to understand which option may be best for your home.
All our work meets or exceeds the standards set by the Ontario Building Code, and we’re fully insured for residential and commercial projects.
For added protection, we also install sump pumps with battery backup systems that keep your basement dry even during power outages.
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Whether it’s a general inquiry, a question for our experinced team of professionals team, or an opportunity for collaboration, we are ready to connect and look forward to hearing from you!
We are! And we know and understand the process from our long list of previous clients.
Applying for grant programs does not apply to everyone and can inevitably cause delays.
To be eligible for most or all of the grant programs, no work may have commenced until after approval has been granted by the city. However, it does save money, and eligible candidates typically see favorable decisions by the city.
There’s a significant difference between water entering from the foundation walls and when it comes up through the floor or cold joint (where the wall meets the floor).
They provide clear evidence of two different issues that require two different solutions.
If the drywall is damaged it is best to remove the damaged section as soon as possible as it may have mold growing on the inside.
Our team is fully prepared to assist or take on the responsibility of removing all damaged building materials before waterproofing.
Efflorescence is a clear sign of potential basement dampness or leaks. In simple terms, it consists of minerals that leach out from concrete as a salty white, fuzzy powder.
The solution to efflorescence on a basement floor or wall is to identify the source of moisture causing it and eliminate it.
Please document pertinent details such as weather conditions, date, season, and precipitation levels.