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Products & Services
Basement Repair Services & Products
WaterGuard Interior System
DryTrak Drainage Channel
TrenchDrain Drain Grate
IceGuard Discharge Line
FlexiSpan Wall Crack Repair
Polyurethane Crack Sealing
WellDuct Window Drainage
BrightWall Waterproof Panels
ThermalDry Wall Barrier
Basement To Beautiful Pre-finishing Wall Insulation Panels
Drain Tile Installation
SuperSump Pump System
TripleSafe Pumping System
UltraSump Battery Back Up
Sanidry Dehumidifier
Aspen Air Purifier


Crawl Space Repair Services & Products
CleanSpace Encapsulation Vapor Barriers And Liners
Turtl Access Hatch
EverLast Crawl Space Doors
Sanidry Csb Dehumidifier
SmartDrain Water Drainage
SilverGlo Wall Insulation
TerraBlock Floor Insulation
SmartSump Sump Pump
Crawl-o-Sphere Crawl Space Fan
WallCap Block Wall Sealer
SmartVent Flood Vents


Foundation Repair Services & Products
Push Pier Underpinning For Settlement, Foundation Leveling, Sinking Foundation Repair
Geo-lock Wall Anchors
Geo-lock Helical Anchors
PowerBrace Bowed Wall Repair
CarbonArmor Fiber Wall Repair
SmartJack Crawl Space Support
Slab Pier Repair
EZ Post Deck Repair
Shotcrete Wall Restoration
EverBrace Wall Restoration System


Radon Mitigation
Radon Testing
Radon Detection
Radon Abatement
Radon Mitigation System
Before and After Pictures from St Thomas
Wet Basement Cold Storage Area, St. Thomas ON

Wet Basement Cold Storage Area, St. Thomas ON

Before After
Wet Basement Cold Storage Area, St. Thomas ON Wet Basement Cold Storage Area, St. Thomas ON

Problem: An unfinished cold storage area is a great place to store items to keep cool, such as canned food, even in the warm summer months. Although closed off from the rest of the house, if there’s water penetrating any area, it creates a damp, humid and unhealthy environment which affects the entire home in what is known as “The Stack Effect”.    

Solution:  We installed a French drain system on the problem walls in the cold storage area, added a powerful sump pump with a battery backup for improved drainage and reliability and finished it off with our BrightWall® rigid basement wall system. Now this cold storage area is dry, heathy and will look fantastic for years to come.  

Inspector:  Tom

Foreman: Justin

Help for a Humid Basement in St. Thomas, ON

Help for a Humid Basement in St. Thomas, ON

Before After
Help for a Humid Basement in St. Thomas, ON Help for a Humid Basement in St. Thomas, ON

Problem:  Even newer homes can have problem basements. This basement often felt damp and smelled musty. Excess water vapour was entering the space from the unsealed sump pump lid.

Solution: To help control humidity, we installed the super quiet and efficient SaniDry™ Sedona Dehumidifier. It’s connected directly to their updated sump pump system, so with regular maintenance, these homeowners will never have to worry about excess moisture or a damp feeling basement again.

Inspector:  Cory

Foreman: Justin

Creating a Dry and Healthy Basement in Elgin County, ON

Creating a Dry and Healthy Basement in Elgin County, ON

Before After
Creating a Dry and Healthy Basement in Elgin County, ON Creating a Dry and Healthy Basement in Elgin County, ON

Many people believe that their wet basement can’t be fixed. Perhaps because it’s been leaking for decades, such as this one in St. Thomas, Ontario. Once homeowners learn about our interior waterproofing process, and how our products and services work together to create - and keep - a basement dry, it can become life changing!

Imagine, never worrying about a heavy rain. No more damp, musty smells (caused by allergens!). No more ruined items. No more embarrassment about a wet basement!

If you believe your leaky basement is beyond help, we invite you to contact us for a complimentary inspection and written estimate: 1-844-320-1542

Company Awards
2017 Consumer Choice Award, Concrete Lifting- London
Residents in London, on voted for their favorite Concrete Lifting/Leveling company in their city and Advanced Basement Systems came is... [Read more]
2015 Consumer Choice Award- Waterproofing & Foundation Repair
LONDON, ON- Through an independent market survey, the consumers and businesses in our community have selected us as the top-ranked... [Read more]
Chatham-Kent Entrepreneur of the Year
CHATHAM, ON-The Chatham-Kent Chamber of Commerce held its 126th annual Business Excellence Awards on Thursday, March 27th, at Club Lentinas.... [Read more]
More Awards

St Thomas, ON Quality Basement Waterproofing & Foundation Repair

Trust you to do the work because I trust your workmanship....
Happy Customers Surrounding St Thomas, ON
Work Requests

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Reviews From St Thomas
Testimonials From St Thomas
Cost effective permanent solution
Testimonial by Adam C. from St. Thomas, ON
Very thorough and knowledgeable.
Testimonial by Bill A. from St. Thomas, ON
Job well done! Satisfied on all levels.
Testimonial by Jayden B. from St. Thomas, ON

Responsible basement waterproofing, crawl space repair, foundation repair, radon mitigation company serving St Thomas, ON

We not only adhere to the highest industry standards, we strive to be the industry leader in the home improvement related services we provide. We also use state-of-the-art products and technology which are designed to fix your home. We are the authorized Basement Systems dealer in St Thomas, ON.

Services we offer in St Thomas:

  • Wet/flooded basement waterproofing solutions.
  • Lifetime warranty on all perimeter waterproofing systems.
  • Crawl space sealing with CleanSpace vapor barrier.
  • 25-year warranty on crawl space encapsulation systems.
  • Foundation and structural repair solutions.
  • 25-year warranty against manufacturing defects on foundation products.
  • Radon Gas Testing.
  • Radon Mitigation.
  • Financing Available
  • FREE written estimates and inspections, and fast installation
Case Studies From St Thomas
These homeowners in Elgin County had foundation problems which were starting to affect their entire home. The cracking and shifting foundation was...
Work Requests From St Thomas, ON
Project Location: St Thomas, ON
Purchased home in June. There are a few cracks in foundation we would like sealed.
Project Location: St Thomas, ON
Very cold kitchen that is above crawlspace. Looking into insulation options. Space is probably 14x14.
Project Location: St Thomas, ON
Our building has stress cracks we think and needs a corner to be reinforced
Project Location: St Thomas, ON
We have a crack in the foundation that is leaking. We're in the middle of a renovation and would like to have it repaired from the inside of the house. Thanks, Kevin
Project Location: St Thomas, ON
Radon gas. Need to know if there is risk of exposure in the house
Project Location: St Thomas, ON
Lower portion of furnace room and storage area need insulation
Project Location: St Thomas, ON
- Would like to have a thorough inspection for basement foundation and walls. - If there is some crack or suspected area, would like to get it repaired
Project Location: St Thomas, ON
Hi there, our basement is leaking from the foundation and not at the cold joint. It is an older home built in 1910. Would like to get a quote Thank you and have a great day
Project Location: St Thomas, ON
Foundation crack looking to have repaired. Looking to book an appointment for a quote
Project Location: St Thomas, ON
Small leak on basement floor. Possible water intrusion through a small crack below a basement window. Possible drain tile instruction.
Project Location: St Thomas, ON
I need an inspection/assessment done on my century home. It has 2 large vertical diagonal cracks in the brick at the one side of the house. I would like an estimate on any foundation issues that need to be fixed.
Project Location: St Thomas, ON
We live in a century home and there is a section of the basement that is dirt and unfinished that leaked this weekend into the finished business. It also allows rodents, bugs etc. enter the home.
Project Location: St Thomas, ON
We have a crawl space under the stairs in the basement that leaks when it rains a lot. There is an obvious crack in the wall where the water comes in. Thank you
Project Location: St Thomas, ON
100 year old basement that leaks in a heavy rain. thin slab that is crumbling
Project Location: St Thomas, ON
Heavy rain or melting snow leaks into the basement from what appears to be an old window well that's now covered. It's been filled with concrete from the outside, but is still having issues.
Project Location: St Thomas, ON
I have an older home in st thomas and I have leaks in the basement sometimes if there is a heavy rain or snow melting The basement is concrete and the walls as well, I'm trying to see if this is something we can fix and what that would cost
Project Location: St Thomas, ON
After a recent flooding of basement after the float in my sump pump got stuck, I am interested in and would like a quote for your Triple Safe Pump System.
Project Location: St Thomas, ON
Our basement has water come in when there's heavy rain. Today since the snow is melting and heavy rain, lots is coming in and we don't have a sump pump. I can see exactly where it's entering and need a repair.
Project Location: St Thomas, ON
We need someone to test for radon or any other potentially harmful gas that may be leaking
Project Location: St Thomas, ON
Leak coming from a corner in my basement along the bottom of the wall

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