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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
PolyLevel Concrete Lifting & Leveling
ShotCrete Wall Restoration

Before and After Pictures from Ajax
Sump Pump Required in Ajax, ON
Sump Pump Required in Ajax, ON
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Sump Pump Required in Ajax, ON

Before After
Sump Pump Required in Ajax, ON Sump Pump Required in Ajax, ON

This 60 year old, block bungalow in Ajax, ON had a fully finished and tenanted basement. After the long harsh winter we just had, the thaw's started and so did the leaking. The tenants started to notice that one wall in particular had some water damage starting to show up, one spot in a bedroom had water appearing near the wall/floor joint, and another area near the stairs was wet as well. The owner of the house knew they had to do something or they'd lose there income suite, "no one wants to rent a went basement apartment" the owner said. We went out and found that there was no sump pump, and the block foundation was for sure the cause of the leaking. With the house being an "older" home chances were pretty good that the exterior waterproofing was clogged, broken or even possibly non existent. The homeowner quickly decided she had to have it done and done correctly the first time in order to keep the family living in the basement comfortable and without having to deal with any future problems.
We went out to meet with the home owner agreed on a partial interior drainage system, which included a SuperSump water removal system, WaterGuard interior trench drainage, and ThermalDry moisture barrier wall membrane. We arranged to have the sump pump installed under the stairs which was currently being used for storage that way it was out of the way and with a strong polymer lid posed no danger for children, pets or even objects if the tenant wanted to continue storing things in this space. With these products installed it not only provided the the owner with peace of mind but the tenants as well. Everyone was able to move on with their normal day to day routines and no longer had to mop up any water from a leaky wall.

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Company Awards
HomeStars Best of 2016 Award
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]
Readers Choice Award Winner 2015
Readers Choice Award Winner 2015
The Community of Markham has chosen our business as the winner of the annual Markham Economist & Sun Reader’s Choice... [Read more]
Habitat for Humanity
Habitat for Humanity
Habitat Canada brings communities together to help families build strength, stability and independence through affordable homeownership. Canadian Concrete Leveling donated their... [Read more]
More Awards

We Are Ajax's Proven Basement Waterproofing & Foundation Repair Contractor

Happy Customers Surrounding Ajax, ON
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Basement Waterproofing & Crawl Space Repair in Ajax, ON

Water in the basement or crawl space leads to mold, rot, musty odors and structural issues. It also leads to a reoccurring headache for you. Luckily, Clarke Basement Systems has a team of trained experts that are available to permanently fix the problem.

We will properly install a hidden drainage system in your Ajax basement and completely encapsulate your crawl space with CleanSpace vapor barrier. We are here to solve the problem for you.

Why Choose Us?
  • Lifetime Warranty on all Perimeter Waterproofing Systems
  • 25-year Warranty on Crawl Space Encapsulation Systems
  • Sump Pump Installation, Repair & Replacement
  • Basement, Crawl Space & Spray Foam Insulation
  • Crawl Space & Basement Dehumidifiers
  • Hundreds of Satisfied Customers

Foundation Crack Repair Contractor in Ajax

Foundation repair problems destroy your Ajax home’s value and can be dangerous. Our in-house team of structural and geo-technical engineers are here to help. We design and install the right solution and usually have the project finished in less than a week. You will have peace of mind as we provide a 25-year written warranty against defects on our foundation products.

We Fix
  • Bowing Walls
  • Sagging Floors
  • Stair-Step Cracks
  • Tilting Chimneys  
  • Foundation Cracks
  • Garage Slabs   
 We Use
  • Wall Anchors
  • Slab Piers
  • I-Beam Wall Braces
  • Helical Deck Piers
  • Sticking Windows
  • Underpinning

PolyLevel™ Concrete Leveling & Lifting

The sunken and cracked concrete around your Ajax home is both an eyesore and a safety hazard. It is also likely to get worse with time, but we can fix it for you!

Our experts use PolyLevel, a superior polyurethane foam to provide reliable concrete lifting & leveling solutions. Small holes are drilled in the concrete and the expansion of the foam lifts & levels the concrete. The majority of contractors you will call use mudjacking instead of foam. Mudjacking is heavier, requires larger holes in the concrete and does not last as long as PolyLevel. Call us today to learn more about our proven concrete lifting and leveling techniques.

We Fix
  • Cracked Driveways
  • Uneven Patios
  • Sinking Sidewalks      
  • Uneven Concrete
  • Sunken Pool Decks
  • Highway & Commercial Issues
Job Stories From Ajax, ON
Water Damage to Personal Items in Ajax, ON

Our customer in Ajax, Ontario, had a significant amount of water leaking into their basement which was damaging personal items and was a hassle to clean up regularly.

 

Claude Mathieu, System Design Specialist, assessed the situation and spoke with the customer about a solution. Foreman Lucio and Installation Specialist Ion installed:

 

  • a WaterGuard® Drainage System
  • TrenchDrain™ Drainage System
  • ThermalDry® Wall Membrane
  • SuperSump® Premier Sump Pump System
  • and an IceGuard® Discharge Line

WaterGuard®, ThermalDry® Wall and the TrenchDrain™ System, capture the groundwater seepage and directs it to the SuperSump. The pump then collects all the water to be discharged outside through the IceGuard®.

 Our customer was pleased that their items could now be stored safely with no worry of water damage.

Ajax, ON Basement Flooding Fixed with FlexiSpan

When Ajax, ON homeowner Steve B. discovered that a part of his basement floor was soaking wet, he wondered where water was coming from.  Looking for a waterproofing contractor, Steve went online and soon after found Clarke Basement Systems whom he contacted that same week.

 

That same week, Steve was met by waterproofing specialist Dale Coville to evaluate his basement.  After a careful examination, Dale discovered that a crack in Steve’s basement wall allowed water to intrude and flood his basement.  Dale proposed that FlexiSpan should be installed along the crack in the wall.  FlexiSpan is a wall sealant that is used to eliminate cracks in walls that allow in water.  Unlike hydraulic cements and other epoxies, FlexiSpan is a polyurethane polymer and will not dry out or crack due to the natural movement of the foundation wall.  Additionally, FlexiSpan has the added advantage of bending and stretching along with your foundation wall, unlike hydraulic sealants or epoxies.  Dale immediately called in primary foreman Fitz Wilks and his crew to apply the Flexispan.

 

After a quick and easy one day application process, Steve’s basement was effectively waterproofed with FlexiSpan. Now that water is no longer getting into his basement, Steve can enjoy his basement to its fullest potential!

Ajax, ON Basement Flooding Fixed with FlexiSpan

When Ajax, ON homeowner Steve B. discovered that a part of his basement floor was soaking wet, he wondered where water was coming from.  Looking for a waterproofing contractor, Steve went online and soon after found Clarke Basement Systems whom he contacted that same week.

 

That same week, Steve was met by waterproofing specialist Dale Coville to evaluate his basement.  After a careful examination, Dale discovered that a crack in Steve’s basement wall allowed water to intrude and flood his basement.  Dale proposed that FlexiSpan should be installed along the crack in the wall.  FlexiSpan is a wall sealant that is used to eliminate cracks in walls that allow in water.  Unlike hydraulic cements and other epoxies, FlexiSpan is a polyurethane polymer and will not dry out or crack due to the natural movement of the foundation wall.  Additionally, FlexiSpan has the added advantage of bending and stretching along with your foundation wall, unlike hydraulic sealants or epoxies.  Dale immediately called in primary foreman Fitz Wilks and his crew to apply the Flexispan.

 

After a quick and easy one day application process, Steve’s basement was effectively waterproofed with FlexiSpan. Now that water is no longer getting into his basement, Steve can enjoy his basement to its fullest potential!

Faulty Sump Pump Causes Ajax, ON Basement Flooding

After a particularly heavy storm, Ajax, ON homeowner Senthil G. found that his basement was taking in water.  Questioning where his waterproofing system went wrong, Senthil decided to go online to search for waterproofing companies.  After numerous searches, Senthil eventually came across Clarke Basement Systems whom he contacted that same day.  

 

Senthil was soon met by waterproofing specialist Dale Coville at his Ajax, ON home.  Dave immediately went down to the basement to access the problem.  What he discovered was that Senthil’s sump pumps were failing, and although the rest of his waterproofing products were in order, the failure of the sump pump caused a buildup of water that could not escape.  Luckily for Senthil, Dave had the ideal solution for his basement.  Dave recommended replacing the faulty sump pump with two top of the line sump pumps, the Zoeller Model 53 and the Zoeller Model 98.  The Zoeller Model 53 is the ideal sump pump for any situation and one of the best sump pumps you can buy.  The Model 98 is a larger version of the Model 53 and is installed when more groundwater is present or expected.   With the products agreed upon, Dave called in primary foreman Fitz Wilks and his crew to install the necessary products.

 

No home is 100% no matter how much precaution one takes; annual check ups should be always an option to get the best results out of your products.  Thanks to the professionals at Clarke Basement Systems, Senthil’s basement will stay dry for years to come!

Faulty Sump Pump Causes Ajax, ON Basement Flooding

After a particularly heavy storm, Ajax, ON homeowner Senthil G. found that his basement was taking in water.  Questioning where his waterproofing system went wrong, Senthil decided to go online to search for waterproofing companies.  After numerous searches, Senthil eventually came across Clarke Basement Systems whom he contacted that same day.  

 

Senthil was soon met by waterproofing specialist Dale Coville at his Ajax, ON home.  Dave immediately went down to the basement to access the problem.  What he discovered was that Senthil’s sump pumps were failing, and although the rest of his waterproofing products were in order, the failure of the sump pump caused a buildup of water that could not escape.  Luckily for Senthil, Dave had the ideal solution for his basement.  Dave recommended replacing the faulty sump pump with two top of the line sump pumps, the Zoeller Model 53 and the Zoeller Model 98.  The Zoeller Model 53 is the ideal sump pump for any situation and one of the best sump pumps you can buy.  The Model 98 is a larger version of the Model 53 and is installed when more groundwater is present or expected.   With the products agreed upon, Dave called in primary foreman Fitz Wilks and his crew to install the necessary products.

 

No home is 100% no matter how much precaution one takes; annual check ups should be always an option to get the best results out of your products.  Thanks to the professionals at Clarke Basement Systems, Senthil’s basement will stay dry for years to come!

Work Requests From Ajax, ON
Mullen Drive in Ajax
Sunken concrete pool deck.
Bird Cres in Ajax
I have a rental property at the above address. We had a large amount of water come in our up from the floor in the basement apartment about a month ago when we had about 5 days of rain and the ground was mostly frozen. I have 2 window wells that I would like to connect to weeping system. Looking for a quote.
Feint Drive in Ajax
I have two leaks in my basement from between my wall and floor
Styles Crescent in Ajax
How much for installation and maintenance
Beaumont Drive in Ajax
I Have a crack in my 30 year old house with a poured foundation. It is about 1/16 wide
Baker Road in Ajax
Need a estimate for concrete around pool and front porch to be leveled.
Harty Cres in Ajax
I had alot of water coming under my baseboards during the last week. There is a window well above where the problem is. I'm not sure if it's the window, eaves, foundation. I don't have the tools to open up the wall. Can you help?
Gregory Rd in Ajax
I need my de-humidifier looked at as well as consult on existing badly install sum pump
Clarelyn Blvd in Ajax
We have a leak in our foundation (cracks) that are causing a leake in the basement coming through the wall. our foundation is cinder block.
Hester Avenue in Ajax
2 relatively small cracks in foundation/wall.
Meekings Drive in Ajax
My basement retaining wall and stairs are cracked and in need of repair
Lincoln Street in Ajax
Periodic water infiltration through crack in basement wall
Cragg Cres in Ajax
Basement water leaking from hardwood floor
Keys Drive in Ajax
MOLD
Tulloch Dr in Ajax
Ontario Street in Ajax
I bought a house with a joist issue. I thought I could handle it but it turned out to be more than I thought. I believe the weight of the upper floor is pushing the floor joists down causeing a 1" sag toward the door frame of the main floor bathroom.
Swanston Crescent in Ajax
We have water in our basement. One contractor has recommended an internal weeping tile and underpinning. Another has recommended window wells. Another has said fix the external weeping tile.
Dreyer Drive in Ajax
Small hole in a raised bungalow basement wall, at the back of the house. With torrential rains it has started leaking on to the basement floor. The hole is 12"under the basement window. Making quite a puddle on floor.
Nelson Avenue in Ajax
Crawl space encapsulation
Caldicott Court in Ajax
Foundation cracks - water leaks into basement
Serving the following Ajax, ON postal codes
L1M 1B6, L1S 0A1, L1S 0A2, L1S 0A3, L1S 0A4, L1S 0A5, L1S 0A6, L1S 0A7, L1S 0A8, L1S 0A9, L1S 0B1, L1S 0B2, L1S 0B3, L1S 0B4, L1S 0B5, L1S 0B6, L1S 0B7, L1S 0B8, L1S 0B9, L1S 0C1, L1S 0C2, L1S 0C3, L1S 0C5, L1S 0C8, L1S 0C9, L1S 0E2, L1S 0E3, L1S 0E4, L1S 0E5, L1S 0E6, L1S 0E7, L1S 0E8, L1S 0E9, L1S 0G1, L1S 1A1, L1S 1A3, L1S 1A6, L1S 1A7, L1S 1B1, L1S 1B2, L1S 1B3, L1S 1B4, L1S 1B5, L1S 1B6, L1S 1B9, L1S 1C1, L1S 1C2, L1S 1C3, L1S 1C4, L1S 1C5, L1S 1C6, L1S 1C7, L1S 1C8, L1S 1C9, L1S 1E1, L1S 1E2, L1S 1E3, L1S 1E4, L1S 1E5, L1S 1E6, L1S 1E7, L1S 1E8, L1S 1E9, L1S 1G1, L1S 1G2, L1S 1G3, L1S 1G4, L1S 1G5, L1S 1G6, L1S 1G7, L1S 1G8, L1S 1G9, L1S 1H1, L1S 1H2, L1S 1H3, L1S 1H4, L1S 1H5, L1S 1H6, L1S 1H7, L1S 1H8, L1S 1H9, L1S 1J1, L1S 1J2, L1S 1J3, L1S 1J4, L1S 1J5, L1S 1J6, L1S 1J7, L1S 1J8, L1S 1J9, L1S 1K1, L1S 1K2, L1S 1K3, L1S 1K4, L1S 1K5, L1S 1K6, L1S 1K7, L1S 1K8, L1S 1K9, L1S 1L1, L1S 1L2, L1S 1L3, L1S 1L4, L1S 1L5, L1S 1L6, L1S 1L7, L1S 1L8, L1S 1L9, L1S 1M1, L1S 1M2, L1S 1M3, L1S 1M4, L1S 1M5, L1S 1M6

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