Serving Connecticut, Westchester and Putnam Counties

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Products & Services
Basement Waterproofing 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 Basement Dehumidifier
French Drain Alternatives


Crawl Space Repair Services & Products
CleanSpace Encapsulation Vapor Barriers And Liners
Turtl Access Hatch
EverLast Crawl Space Doors
Sanidry Csb Crawl Space 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
Foundation Underpinning
EZ Post Deck Repair
Shotcrete Wall Restoration


Basement Finishing & Remodeling
Everlast Wall Panels
Insulated Wall Panels
Premier And Linen Ceiling Tiles: No-sag Warranty
Thermal Dry Floor Tiles
ThermalDry® Elite Plank Flooring
Sunhouse Window Wells
Everlast Window Replacement
Rockwell Basement Egress Windows


Before and After Pictures from Coventry
Repairing Wall Cracks with FlexiSpan

Repairing Wall Cracks with FlexiSpan

Before After
Repairing Wall Cracks with FlexiSpan Repairing Wall Cracks with FlexiSpan

The owners of this Coventry home called us when their wall crack started leaking again, despite previous attempts to seal it. Repairing leaky wall cracks can be tricky. If sealed with a rigid sealant, the wall movement that originally caused the crack will break the seal, creating the same problem over again. Our FlexiSpan is flexible enough to bend slightly and stays bonded despite wall movement, and seals the crack permanently. 

CleanSpace in Coventry, CT

CleanSpace in Coventry, CT

Before After
CleanSpace in Coventry, CT CleanSpace in Coventry, CT

This crawl space in Coventry, CT was dirty, cold and had a lot of moisture which was a concern to the homeowner. Wanting a solution for his crawl space, he called the experts at Connecticut Basement Systems and scheduled an appointment.

Our Sales Representative, Steve Godbout, arrived at the home on the day of the appointment and concluded that a CleanSpace Liner would be the perfect solution for this crawl space. A CleanSpace Liner prevents air and moisture from entering the crawl space. The benefit of air and moisture not entering the crawl space is that the floors in the home directly above will be noticeably warmer. The homeowner approved of this proposal and could not wait for his clean, dry crawl space.

On the day of production, Cisco and Josh installed the CleanSpace Liner efficiently and professionally. Not only does this liner protect against mold and moisture, but it also gives the crawl space a clean finish. This solution satisfied all of the homeowner’s needs and could not be happier thanks to Connecticut Basement Systems! 

Company Awards
2017 Angie's List Super Service Award
Connecticut Basement Systems has been awarded the 2017 Angie's List Super Service Award®! The Angie’s List Super Service Award honors... [Read more]
Larry Janesky award the Valley of Chamber of Commerce's Silver Medal Award
Larry Janesky was awarded the Valley Chamber of Commerce's Silver Medal Award for the Big Build at Ansonia Nature Center!... [Read more]
Best Places to Work
For the 3rd time, Basement Systems has won the Best Places to Work award for being one of the best... [Read more]
More Awards

Coventry, CT's Preferred Basement Waterproofing & Crawl Space Encapsulation Pros

He knows what he is doing, and he does his job so well. He is an asset to your company,...
Happy Customers Surrounding Coventry, CT
Work Requests

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Reviews From Coventry
Testimonials From Coventry
I would like to thank Garfield who came to install a drain line and really thought that groundwater was not...
Testimonial by Suzanne C. from Coventry, CT

Coventry, CT's expert in basement waterproofing, foundation repair, & more

Connecticut Basement Systems has been your trusted home improvement company providing reliable basement waterproofing, foundation repair, crawl space encapsulation, basement finishing, and more to over 85,000 Connecticut homeowners since 1987. As a three-time winner of the CT Better Business Bureau's Torch Award for Marketplace Ethics, we are committed to creating an honest and reliable experience with our customers.

Whether you need a moisture-proof basement waterproofing system complete with a sump pump or permanent foundation settlement repairs, we provide these solutions and much more!

Our services in Coventry:

  • Basement waterproofing
  • Foundation repair
  • Crawl space repair
  • Basement finishing
  • Air purifiers
  • And more!

Schedule a free estimate to learn more. Connecticut Basement Systems proudly serves Coventry and areas nearby!

Trusted basement waterproofing company serving Coventry

A wet basement can affect your home more than you think. If left to worsen, water in the basement can cause structural issues, mold growth, pest problems, and more. That is why Connecticut Basement Systems provides patented basement waterproofing solutions, designed to keep your below-grade space dry and healthy for years to come! So, if you're tired of dealing with basement flooding, high humidity, water in basement, or other waterproofing issues, contact our experts today!

Our basement waterproofing services in Coventry:

  • Sump pump installation & maintenance
  • Basement drainage systems
  • Basement Dehumidifiers
  • Basement windows
  • Egress windows & window wells
  • And more!

Since 1987, we have provided warrantied basement waterproofing solutions to Coventry homeowners - this includes sump pumps, basement dehumidifiers, french drains, and more. Schedule a free basement waterproofing estimate to learn more!

Transform your home with basement finishing in Coventry

Want to transform your dreary basement into the space of your dreams? From a lavish apartment to a new play area for the kids, Connecticut Basement Systems can help you with these remodeling projects and more - the only limit is your imagination! Unlike other basement finishing contractors, we actually use remodeling products designed to withstand common environmental conditions in the below-grade space, including moisture and mold. Plus, the basement finishing system is warrantied, has insulating qualities, dampens noise, and is eco-friendly.

Our basement finishing system in Coventry:

  • Finished basement flooring
  • Waterproof wall products
  • Ceiling tiles
  • Basement dehumidifiers
  • Replacement windows
  • Egress windows & window wells
  • And more!

Schedule a free basement finishing estimate to learn more. We proudly serve Coventry and areas nearby.

Permanent foundation repair solutions in Coventry

No matter how minor your home's foundation problem seems, it is always better to schedule a foundation inspection and get repairs sooner than later. That is because issues like foundation settlement, leaning chimneys, bowing walls, and more can affect your house's value and curb appeal. Even worse, they can create unsafe living conditions for you and your family.

But there is no reason to worry - Connecticut Basement Systems is backed by Supportworks, a nationally renowned network of expert foundation repair contractors. This partnership also gives us exclusive access to professional training, warrantied solutions, and best practices proven by hundreds of dealers across the globe.

Our foundation repair services in Coventry:

  • Slab piers
  • Push piers
  • Helical piers
  • Foundation wall repairs
  • Crawl space support jacks
  • Wall anchors
  • Wall reinforcing systems
  • And more!

Schedule a free foundation repair estimate to learn more. We proudly serve Coventry and areas nearby.

Reliable crawl repair & encapsulation services in Coventry

A nasty crawl space can cause a lot of issues for the home. If left unrepaired and unsealed, the crawl space can start to rot and grow mold, leading to structural issues, unhealthy indoor air, and discomfort throughout the house. That is why Connecticut Basement Systems provides moisture-proof crawl space encapsulations and durable structural repairs.

When we seal the crawl space using a moisture-proof vapor barrier, add a high-performance crawl space dehumidifier, install crawl space jacks for failing support posts, and provide other crawl space repair solutions, we can create a dry, secure below-grade space for years to come!

Our crawl space encapsulation & repair services in Coventry:

  • Crawl space vapor barrier
  • Crawl space drainage system
  • Crawl space dehumidifier
  • Crawl space insulation
  • Crawl space support jacks
  • And more!

Schedule a free crawl space repair and encapsulation estimate to learn more. We proudly serve Coventry and areas nearby.

Quality basement waterproofing, crawl space repairs, & more since 1987

Connecticut Basement Systems is the largest basement waterproofing, foundation repair, crawl space encapsulation, and basement finishing company in Coventry - and for good reason. We are committed to improving the lives of our employees, customers, and the world through education and development. For over 30 years, we have built a solid reputation backed by honesty and expertise. So you can have absolute confidence in our services!

Contact us to schedule a free estimate today. We proudly serve Coventry and nearby areas.

Job Stories From Coventry, CT
Annual Maintenance in Coventry, CT

This routine service call was for a TripleSafe sump pump in Coventry, CT. The homeowners had the system installed back in 2011 and had been happy with their dry basement ever since. They know how important it is for their system to be serviced regularly. 

On the day of the appointment, Sam Bullock arrived at the home and introduced himself to the homeowners and explained what was going to be included in the service which includes:

Sump Pump Maintenance Details

  • Check pump operation - float switch, intake, check valve, and impeller
  • Clean sump liner of silt and sediment
  • Change the batteries in your WaterWatch® alarm (should be done annually)
  • Check the discharge line for potential problems
  • Inspect basement or crawl space for signs of problems and suggest/implement solutions
  • Check the CleanSpace® liner, if applicable
  • Provide any recommendations as needed


After his explanation, Sam went to conduct the routine maintenance. Once he went through everything he was happy to report that their system was running smoothly. Now the homeowners have the reassurance that their basement will stay dry! 

Do not forget to schedule YOUR annual maintenance. Schedule it today at 1-855-200-7133 

Work Requests From Coventry, CT
Project Location: Coventry, CT
I'm interested in waterproofing my basement. I have had previous flooding and made some DIY repairs, but would like an expert opinion on improvement. I'm also interested in finishing the basement (although it may not be in the budget). Previous owners made an amateur attempt which will need to be gutted. And there is mold.
Project Location: Coventry, CT
Replacing wood beams with metal columns
Project Location: Coventry, CT
Crawlspace smells which can make its way into the house and wondering how to reduce moisture, potentially add a vapor barrier or insulate and seal walls or other recommendations.
Project Location: Coventry, CT
Fieldstone foundation leaking, uneven basement doesn't allow water to get to sump
Project Location: Coventry, CT
Cleaned up and waterproof my crawl space
Project Location: Coventry, CT
Would like someone to come out and take a look at my basement. House is 50yrs old, the basement is dry but I have a lot of efflorescence in the basement. Most is a couple of inches up the walls.
Project Location: Coventry, CT
Partial basement refinish
Project Location: Coventry, CT
Quote for insulation in a crawlspace
Project Location: Coventry, CT
I'd like to get a quote for finishing my basement.
Project Location: Coventry, CT
I have issues with water in my basement and would like a quote to get it rectified. Once fixed I would also be interested in finishing the basement.
Project Location: Coventry, CT
While getting some plumbing work done in our crawl space mold was noted on bottom of joists.
Project Location: Coventry, CT
I was hoping to finish my basement for two rooms and a rec area.
Project Location: Coventry, CT
House has been settling and walls are cracking, doors not shutting. We have a crawl space.
Project Location: Coventry, CT
I am in the stages of purchasing a home near Coventry Lake in CT. The house has a crawl space. During inspection there was water detected, erosion by the access door and no vent system. I was wondering how much it would cost to repair, replace and install equipment to have the crawl space fixed.
Project Location: Coventry, CT
Musty and damp basement that has created mildew.
Project Location: Coventry, CT
I have one wall in my basement that seems to be leaking especially when we have a hard rain. I need someone to look at it and see what needs to be done to repair it.
Project Location: Coventry, CT
Garage door thresholds and the base of the foundation wall between them are chipping away. This is likely due to a improperly graded driveway that allowed water into the garage and against the foundation during moderate/heavy rain. The grading issue will be corrected when the driveway is replaced this season.
Project Location: Coventry, CT
House was built in 1935. very damp 1st floor and not very energy efficient. likely need vaper barrier and a couple more support posts
Project Location: Coventry, CT
I need to have my crawl space insulated because my pipes keep freezing
Project Location: Coventry, CT
Existing sump piping is not transferring water to the sump. Water now comes up at cracks and along walls.