Proudly Serving Greater Toronto including - Mississauga, Markham, Vaughan & nearby

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Products & Services

Mold Services
Dust Mites Control
Mold Spores
Mold Prevention
Dry Rot & Brown Rot

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

Crawl Space Repair Services & Products
CleanSpace Encapsulation Vapour 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
WallCap Block Wall Sealer
SmartVent Flood Vents

Foundation Repair Services & Products
Push Pier Underpinning for Settlement, Foundation Leveling, Sinking Foundation Repair
Structural Repair
Geo-Lock Wall Anchors
Geo-Lock Helical Anchors
PowerBrace Bowed Wall Repair
CarbonArmor Fiber Wall Repair
SmartJack Crawl Space Support
Slab Pier Repair
ShotCrete Wall Restoration

Concrete Repair
PolyLevel Concrete Lifting & Leveling
NexusPro Cracked Concrete Repair
SealantPro Concrete Sealant
Interior Slab Repair
Concrete Sidewalk Repair
Concrete Pool Deck Repair
Concrete Driveway Repair

Before and After Pictures from Bowmanville
Successful Waterproofing in a Tight Space in Bowmanville, ON

Successful Waterproofing in a Tight Space in Bowmanville, ON

Before After
Successful Waterproofing in a Tight Space in Bowmanville, ON Successful Waterproofing in a Tight Space in Bowmanville, ON

A home in Bowmanville, Ontario, had water seeping into the basement walls when it rained and when the snow melted. The Basement was musty, and the floor was wet. The homeowner used the space to store items and did not want them to get damaged with the water and moisture. 

The customer called Clarke Basement Systems, and Chris Luke explained the job our team would do to fix the basement. Jose Martinez and the team came in and installed WaterGuard®  Below-Floor Drain and CleanSpace® wall membrane. The WaterGuard® was Installed around the perimeter of the basement to collect seepage, and the wall membrane was installed to direct water into the drainage system. 

There was minimal space behind the water heater and furnace, but our team successfully installed the waterproofing system. This system keeps the floor dry, allowing the customer to store their items in a dry basement. 


Customer Looking for Peace of Mind Before Finishing Basement in Bowmanville, Ontario

Customer Looking for Peace of Mind Before Finishing Basement in Bowmanville, Ontario

Before After
Customer Looking for Peace of Mind Before Finishing Basement in Bowmanville, Ontario Customer Looking for Peace of Mind Before Finishing Basement in Bowmanville, Ontario

Finishing a basement is expensive. When you're finally ready to get it done, you want to make sure you do it right, and the last thing you need is to have issues down the road.

A customer in Bowmanville, Ontario, decided to call Clarke Basement Systems before finishing her basement. She had water entering at two different spots in the basement, and she wanted to protect her new investment.

System Design Specialist Ryan Hanlon met with the customer and inspected the home. He designed a solution to permanently waterproof the space and the customer eagerly booked a date for the installation.

Foreman Dave Jackson and his crew, Installation Specialists Alan Murphy and Bryan Richards, started by installing our patented WaterGuard® Drain System around the basement's perimeter, collecting water seeping down the walls and through the floor/wall joint. Next, a SuperSump® was installed to carry water away at a rate of 2,600 gallons per hour. Lastly, we encapsulated the walls with R20 rated ThermalDry® Insulating Wall Membrane.

The customer is blown away by how clean the space looks and is thrilled to have a permanent solution. She can't wait to waterproof her basement with peace of mind!

Pool Deck Lift in Bowmanville, ON

Pool Deck Lift in Bowmanville, ON

Before After
Pool Deck Lift in Bowmanville, ON Pool Deck Lift in Bowmanville, ON

Here we lifted the entire perimeter of a pool deck, no less than three inches on average to improve slope and eliminate trip hazards using PolyLevel® Injection. We also applied NexusPro® Sealant for specified areas. 

Company Awards
Best of 2019 Homestars Award
Hailed as HomeStars' highest honour, the Best of Awards, presented by DEWALT, Canadian Contractor and RenoRun, recognizes the most trusted... [Read more]
HomeStars Best of 2016 Award
Clarke Basement Systems has been awarded the HomeStars Best of 2016 award which we are very proud of.... [Read more]
More Awards

Friendly Foundation Repair & Basement Waterproofing Contractor in Bowmanville

Provided thorough feedback on what was required and supplied a very reasonable quote compared to other companies I had spoken...
Happy Customers Surrounding Bowmanville, ON
Work Requests

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Reviews From Bowmanville
Testimonials From Bowmanville
Clarke Basements installed the basement system and TripleSafe sump pump into our home and now we feel protected against water problems in even the worst...
Testimonial by Wayne D. from Courtice, ON

Are you looking for an experienced contractor to fix your wet basement, damaged foundation or cracked, sunken concrete? Clarke Basement Systems offers basement waterproofing, foundation repair, crawl space encapsulation and concrete repair for Bowmanville, Ontario homes. More local homeowners trust us because we don't just sell products. We take the time to thoroughly inspect your home and recommend the best solution to your problem. We provide free estimates for every project.

Basement Waterproofing & Crawl Space Encapsulation in Bowmanville

Bowmanville is located on a flood plain and experiences a lot of rainy days throughout the year, making homes in the area at risk for basement flooding. Clarke Basement Systems has been installing basement waterproofing systems in homes throughout the area since 2003. We've helped make hundreds of basements dry again, and we can help yours too! Even if you've never had water in your basement, it doesn't mean you never will. Whether you have a sump pump that isn't working or you need a drainage system installed, we can help. We offer all the products you need for a dry, healthy basement.

Our waterproofing and basement repair products include:

  • Sump pumps
  • Drain tile systems
  • Dehumidifiers
  • Vapor barriers
  • Waterproof wall panels
  • Crack repair
  • And more!

Do you have a crawl space under your home? Many of our waterproofing solutions can also be installed in your crawl space. Mould, musty odors, and energy loss are common problems in homes with a vented crawl space. Our patented CleanSpace crawl space encapsulation system completely seals and waterproofs your crawl space to help keep out water, outside air and pests. Sealing and insulating your crawl space can improve the health, comfort and energy efficiency of your entire home.

Foundation Repair in Bowmanville

Cold temperature extremes like the ones experienced in Bowmanville can damage foundations. When the ground next to the foundation freezes, this puts pressure on foundation walls and can cause them to crack. There are other signs to look out for, like cracked ceilings or walls, uneven floors, sticking doors and windows, and cracks in the basement floor - these are all common signs of a foundation problem.

As Bowmanville's trusted  Supportworks dealer, we have the experience, expertise and products to fix any foundation structural problem, including:

  • Bowing and leaning basement walls
  • Cracks in basement walls or floor
  • Gaps between the wall and floor
  • Drywall cracks
  • Foundation settlement
  • Sinking columns in crawl spaces
  • And more!

All of our Foundation Supportworks systems come with a 25-year warranty against manufacturing defects and a performance warranty. If you think you might need your foundation repaired, our expert foundation contractors will inspect your home, recommend the right solution to your problem, and provide the quality service you need.

Concrete Levelling, Concrete Crack Repair, & Concrete Sealing in Bowmanville

There are many reasons for settling and sinking concrete. When voids are created underneath the surface of the slab, this causes it to settle and sink. If you have a driveway, sidewalk, patio, stoop or concrete steps that are sinking and cracked, we offer fast and affordable solutions for repairing your concrete.

Our state-of-the-art PolyLevel® concrete leveling technique uses an expanding polyurethane to effectively stabilize and level the slab, eliminating tripping hazards and restoring your concrete! PolyLevel® is faster, more durable and less invasive than other concrete repair options such as mudjacking or concrete replacement.

We also offer NexusPro, a durable cracked concrete solution that effectively seals concrete cracks and joints while resisting UV rays, extreme weather patterns, fluctuating temperatures, and more to assure your concrete repair lasts a lifetime.

After utilizing our concrete repair solutions, consider sealing your concrete with SealantPro. In just one application, this powerful concrete sealant will guard against oil, gasoline, liquids, and other debris, extending the slab's life by 3 to 5 times overall.

If you're looking for a trusted contractor for your concrete levelling, basement waterproofing, crawl space repair or foundation repair project, Clarke Basement Systems has the proven solutions and experienced crew to get the job done right, and the quality service you deserve. We offer free on-site estimates in Bowmanville, ON and surrounding areas - schedule yours today!

Case Studies From Bowmanville
In a newer home there was a constant problem with hydro-static pressure; driving water up and underneath the basement floor causing puddles. The...
After buying their first home, a customer found that the home had water damage that had been covered up with fresh drywall and paint. It was also...
A crack in a poured concrete foundation had opened up and begun leaking. The builder did the repair several years ago, but it did not stand the test...
Job Stories From Bowmanville, ON
Foundation Crack in Courtice, ON

Our customer in Courtice, Ontario, found a crack in the corner of their poured foundation wall that had begun to leak. They worried that it would become worse and cause further damage to their home. The basement needed to be fixed before they finished the basement.


An appointment was set up with System Design Specialist, Ron Monk, who assessed the situation and provided a permanent solution. Installation Foreman, Mark, installed:

  • a FlexiSpan® Wall Crack Repair System

FlexiSpan® provides a drainage strategy and permanent fix for all wall cracks. Waterproofing in any form is not a matter of trying to block the water, but to ensure that water is directed away from the area, so it does not end up on the basement floor.


The client was satisfied they could confidently refinish their basement and was impressed with the nationally backed warranty that states specifically; “Wall cracks repaired with FlexiSpan® are warranted against leakage for 25 years.” Which is also transferrable if they ever decide to sell their home.

Leak in Basement in Courtice, ON

A customer that contacted us from Courtice, Ontario, had an issue regarding a water leak in their basement. A contractor the customer had hired was not able to finish the basement until the problem was resolved. The customer wanted a fast and efficient solution to their problem and didn’t want to delay finishing the basement because they eventually wanted to put the house on the market.

Steve Matthews, System Design Specialist, spoke with our customer and advised them on a solution to alleviate the leakage problem. Mark, a foreman, sealed the crack stopping water from entering the home. Mark used:

  • a FlexiSpan® Foundation Crack Repair System

Our customer was thrilled to have the job completed efficiently and on time. They were also glad to hear about our transferable warranty that covers any future home buyers. The basement was finally finished and ready for listing.

Block Walls Allowing Water Seepage, Bowmanville, ON

A home in Bowmanville, Ontario, had block walls in the basement that would leak in the Spring Thaw and in heavy rain. The Basement floor is wet and the homeowner did not want the items in the basement to get damaged. 

The customer called Clarke Basement Systems and spoke to Chris Luke who explained the solution. Jose Martinez and the team came in and installed Watetguard and Clean space wall membrane. The Cleanspace collects any moisture and water and directs it into the installed WaterGuard. It is then pushed out and away from the home.

This system keeps the Floor dry, allowing the customer to store their items in a dry basement. 


Block Walls Allowing Water Seepage, Bowmanville, ON - Photo 1Block Walls Allowing Water Seepage, Bowmanville, ON - Photo 2
Leaking Foundation Repaired with FlexiSpan in Bowmanville, ON

Tyler S. of Bowmanville, ON found that his foundation had developed a leaky crack, putting his home at risk of property damage and potential health hazards. Tyler understood that ignoring the problem would only cause it to get worse, so he began to search for a certified expert that would be able to help. His query led him to Clarke Basement Systems.


Dale Coville came to Tyler’s house to inspect the issue and to find the best solution for his individual needs. He recommended the installation of the FlexiSpan Interior Waterproofing System to remediate the leaking wall crack. Primary Foreman Fitz Wilks oversaw the installation process, ensuring that the wall crack was effectively fixed. Tyler was excited about the results, especially the peace of mind knowing that moisture would no longer put his foundation at risk.

Bowmanville, ON Crawl Space Repaired with CleanSpace and CactusBoard

When Mark and Mandy M. discovered that their Bowmanville, ON home was suffering from moisture intrusion in the crawl space, they knew the healthfulness of their home was at risk. Mark and Mandy started looking for a reputable contractor to help them solve this problem, and they were guided to Clarke Basement Systems.


Roy Warren met the couple at their home to assess the problem and to discuss potential options for remediation. After diagnosing the crawl space, Roy determined that the best solution would be the installation of the CleanSpace Crawl Space Encapsulation System, combined with the CactusBoard Drainage System. Primary Foreman Fitz Wilks and his team worked quickly and efficiently to install the products within a single day. Mark and Mandy can now enjoy a safe and healthy crawl space for years to come.


CleanSpace and WaterGuard Solve Bowmanville, ON Basement’s Water Problems

When Steve S. of Bowmanville, ON discovered his foundation was leaking, he knew it needed immediate attention otherwise the problem would only intensify. A crack in the foundation wall had created a moisture issue that needed remediation, so he contacted the experts at Clarke Basement Systems for help.


Rob Trevisan met with Steve to inspect his foundation and basement areas, accurately diagnosing the issues present. Rob recommended the installation of the WaterGuard drainage system and the CleanSpace wall membrane to control the moisture, and also suggested the FlexiSpan foundation crack repair system to deal with the leaking foundation wall crack. Primary Foreman Fitz Wilks oversaw the installation of these products, creating a lasting solution to Steve’s moisture problem.

Work Requests From Bowmanville, ON
Project Location: Bowmanville, ON
The floors in my home seem to be sagging over time and cracks are forming around doors. The sag seems to run across the home in a straight line on the top and main floors, the floor in the basement also feels unlevel and we had signs of water down there this summer for the first time since we moved in 3 years ago.
Project Location: Bowmanville, ON
Leak in basement during heavy rain
Project Location: Bowmanville, ON
The corner of our garage seems to be slowly subsiding. Our house was built in 1935 and the garage doors aren't lining up properly and there are cracks in the brick walls
Project Location: Bowmanville, ON
Moved into house Oct. 2020. Basement is unfinished and when first heavy rainfall hit I noted there is a spot on the south wall where water seeps in at the point where the wall meets the floor. Would like to book an estimate for repair
Project Location: Bowmanville, ON
Our home is 5 years old. Parging has flaked off. Foundation has shrinkage cracks. Our basement has been dry. No water. Cracks were assessed and were advised as shrinkage cracks only. I want to seal the exposed foundation this fall. I am reaching out for quotes. Most of the parging has now fallen off. Looking for a quote on time and materials to seal the exposed foundation this fall.
Project Location: Bowmanville, ON
Recently bought a house in bowmanville and the home inspector noted in his report that there were 2 surface cracks in the foundation and that they should be sealed/repaired. If required I can send photographs.
Project Location: Bowmanville, ON
Project Location: Bowmanville, ON
Basement leak. Small crack. Unfinished basement
Project Location: Bowmanville, ON
I have a leak few leaks in my basement. And a large crack in cinder block my foundation I was looking to get a quote ASAP
Project Location: Bowmanville, ON
I have some cracks in the foundation of my home. A few vertical ones but also a couple of horizontal ones. One on the corner seems to be quite large. I'm looking for someone to take a look and give advice on repairs. Thank you.
Project Location: Bowmanville, ON
I have a crack in my basement foundation that I need injected. We are finishing the basement, so would like it repaired as soon as possible! Thanks
Project Location: Bowmanville, ON
2 leaking window wells, and drainage
Project Location: Bowmanville, ON
Noticed a crack in exterior foundation
Project Location: Bowmanville, ON
Water in the basement
Project Location: Bowmanville, ON
Crack in foundation leaking water
Project Location: Bowmanville, ON
Cracks and water leak in basement foundation and floor from setttling and neighbor installed fence post 8 inches from foundation.
Project Location: Bowmanville, ON
Horizontal cracks in basement walls
Project Location: Bowmanville, ON
I have an old house 1890 with stone foundation, it has started to drop Needs to be jacked up and repaired
Project Location: Bowmanville, ON
Hi i have a leaky basement. It needs to be looked as soon as possible.
Project Location: Bowmanville, ON
Waterproof basement leaks during rain fall
Serving the following Bowmanville, ON postal codes
L1C 0A1, L1C 0A2, L1C 0A3, L1C 0A4, L1C 0A5, L1C 0A6, L1C 0A7, L1C 0A8, L1C 0A9, L1C 0B1, L1C 0B2, L1C 0B3, L1C 0B4, L1C 0B5, L1C 0B6, L1C 0B7, L1C 0B8, L1C 0B9, L1C 0C1, L1C 0C2, L1C 0C3, L1C 0C4, L1C 0C5, L1C 0C6, L1C 0C7, L1C 0C8, L1C 0C9, L1C 0E1, L1C 0E2, L1C 0E3, L1C 0E4, L1C 0E5, L1C 0E6, L1C 0E7, L1C 0E8, L1C 0E9, L1C 0G1, L1C 0G2, L1C 0G3, L1C 0G4, L1C 0G5, L1C 0G6, L1C 0G7, L1C 0G8, L1C 0G9, L1C 0H1, L1C 0H2, L1C 0H3, L1C 0H4, L1C 0H5, L1C 0H6, L1C 0H7, L1C 0H8, L1C 0H9, L1C 0J1, L1C 0J2, L1C 0J3, L1C 0J4, L1C 0J5, L1C 0J6, L1C 0J7, L1C 0J8, L1C 0J9, L1C 0K1, L1C 0K2, L1C 0K3, L1C 0K4, L1C 0K5, L1C 0K6, L1C 0K7, L1C 0K8, L1C 0K9, L1C 0L1, L1C 0L2, L1C 0L3, L1C 0L4, L1C 0L5, L1C 0L6, L1C 0L7, L1C 0L8, L1C 0L9, L1C 0M1, L1C 0M2, L1C 0M3, L1C 0M4, L1C 0M5, L1C 0M6, L1C 0M7, L1C 0M8, L1C 0M9, L1C 0N1, L1C 0N3, L1C 0N5, L1C 0N6, L1C 0N7, L1C 0N8, L1C 0N9, L1C 0P1, L1C 0P2, L1C 0P3, L1C 0P4, L1C 0P5, L1C 0P6, L1C 0P7, L1C 0P8, L1C 0P9, L1C 0R2, L1C 0R3, L1C 0R4, L1C 0R5, L1C 0R6, L1C 0R7, L1C 0R8, L1C 0R9

our service area

Clarke Basement Systems service area