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Products & Services
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
PolyLevel Commercial Concrete Lifting
EZ Post Deck Repair
ShotCrete Wall Restoration
Bowing Wall Repair Solutions
Cracked Wall Solutions
Buckling Wall Repair

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 Dehumidifier
Sump Pump Systems

Basement & Crawl Space Insulation
Basement Insulation Wall Panels
Basement Insulation Flooring
Basement Floor Tiles
Crawl Space Insulation
Crawl Space Insulation Panels
Crawl Space Encapsulation
Crawl Space Vapor Barriers

 

Before and After Pictures from Thornton
Water Guard System, Triple Safe Pump, and Flexi Span in Thornton, NH

Water Guard System, Triple Safe Pump, and Flexi Span in Thornton, NH

Before After
Water Guard System, Triple Safe Pump, and Flexi Span in Thornton, NH Water Guard System, Triple Safe Pump, and Flexi Span in Thornton, NH

The homeowners in Thorton, NH were very concerned.  Every time there was a good amount of rain there was also a good amount of water coming into their basement.  They sought out a solution.  They concluded that Matt Clark's Northern Basement System was by far the most qualified and reputable business to help achieve their goal of a dry basement.  Matt's team installed a Water Guard Drainage System with a Triple Safe Pump.  The Water Guard System allows the water to flow into a drain and then to the Triple Safe Pump, which pumps the water out of the basement and away from the house.  To stop the leaking crack they installed Flexi Span.  it keeps the wall dry while the water trickles into the Water Guard System.

Company Awards
Better Business Bureau Certificate of Customer Satisfaction Excellence- 2016 Award
We are proud to recive the Better Business Bureau Certificate of Customer Satisfaction Excellence- 2016 Award. We recived this our... [Read more]
Better Business Bureau Certificate of Customer Satisfaction Excellence
Better Business Bureau Certificate of Customer Satisfaction Excellence. Customer loyatly score of 100% and any customer complaints filed with... [Read more]
Better Business Bureau Certificate of Accreditation
We proudly became accredited with the Better Business Bureau on August 5th, 2011... [Read more]
More Awards

Professional Crawl Space Encapsulation Company in Thornton, NH

Happy Customers Surrounding Thornton, NH
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Certified, Highly Trained Professional Basement Waterproofing, Foundation Repair & Crawl Space Repair Company Serving Thornton, NH

Northern Basement Systems not only adheres to the highest industry standards, but we also strive to be an industry leader in the field of home improvement and basement repair. To set ourselves apart from our competition we only use state-of-the-art products and technology which are designed to fix your home in the most efficient and reliable way. We are an authorized Basement Systems and Foundation Supportworks dealer in Thornton, NH with the experience and dedication to getting the job done right the first time. We believe in our work and stand behind everything that we do, we have several warranties to prove it; a 25-year warranty against manufacturing defects on Foundation Repair products, crawl space encapsulation systems, French drains & perimeter drains. And to get the ball rolling we also offer financing options and provide FREE written estimates and inspections!

Thornton, NH’s Leading Basement Waterproofing Company

Regardless of how you use your basement, having a safe and dry space is critical for you and your family. We understand that having a wet basement is incredibly frustrating and can often make you feel helpless. There are usually many factors that lead to a basement being wet and the sheer number of issues may make your head spin. However, because we understand how important your basement is to you and your family we have devoted ourselves to providing solutions that you can rely on. We have a staff full of certified technicians that are each experienced, professional and are guaranteed to give you the results you want in a quick, effective and permanent way. We also offer a transferable lifetime warranty on perimeter & French drain waterproofing systems!

To learn more about basement waterproofing cost, call or click today!

Schedule a Free Basement Waterproofing Estimate

Foundation Repair to Keep Your Home Safe

The foundation of your home is the building block that the rest of your home depends on. Even the smallest foundation issue needs to be addressed seriously because even the most basic issue can lead to a major problem down the line. Even if you don’t think the issue is a big deal call Northern Basement Systems, a company that specializes in foundations, to truly determine the cause of the issue. Northern Basement Systems uses the best products in the industry and has the experience and knowledge to use them efficiently. To learn more about our services such as foundation leveling, basement wall repair, foundation wall repair or foundation underpinning, contact us today!

Crawl Space Repair & Encapsulation Expert

Your home’s crawl space is often neglected. It’s usually too small to be seen as valuable and most people dread going into their crawl spaces because they are often damp and dark spaces that are so low they hurt your back. However, we feel like crawl spaces can be more valuable than that. We offer a variety of crawl space services that are guaranteed to turn your crawl space, regardless of the condition that it’s in, into an inviting and safe storage space. We can make any repairs that are needed and also encapsulate the space with a durable white plastic that brightens it up and creates a barrier from moisture.

Schedule Your Free Estimate

Job Stories From Thornton, NH
Water Guard System, Triple Safe, and a little Flexi Span at a home in Thornton, NH

The homeowners in Thonrton, NH loved their home  (Well, most of their home).  Every time there was a good amount of rain there was also a good amount of water coming into their basement.  They sought out a solution.  After a good amount of research, they concluded that Matt Clark's Northern Basement System was by far the most qualified and reputable business to help achieve their goal of a dry basement.  Matt's team went to work right away installing a state of the art Water Guard System with a Triple Safe Pump.  They also had a crack in their foundation where small amounts of water trickle in.  To solve that problem Matt's team sealed the crack with Flexi Span, allowing any water to run into the Water Guard System.  

Water Guard System, Triple Safe, and a little Flexi Span at a home in Thornton, NH - Photo 1Water Guard System, Triple Safe, and a little Flexi Span at a home in Thornton, NH - Photo 2
Work Requests From Thornton, NH
Project Location: Thornton, NH
My bulkhead in the basement is leaking. It is only 8 years old. I have caulked it and covered it with a tarp but when it rains hard water is leaking in. So the must be a different problem going on.
Project Location: Thornton, NH
While the ground is saturated with water and it rains we get some leaking that happens in our basement. We are looking for a quote for basement sealing
Project Location: Thornton, NH
Hi, I have 2 cracks on my back basement wall. The house is 2 years old, I have gutters and perimeter drainage on the outside. They both leak enough to do something about it. They only leak when it rains heavily. The cracks run top to bottom. I've tried dryloc but the cracks seem to reappear. Thanks Brian
Project Location: Thornton, NH
Ground water intrusion from under our foundation into our basement living area and bathroom. We know where it's coming from.
Project Location: Thornton, NH
Water started seeping into basement. Older home. Foundation is stone, block and poured.
Project Location: Thornton, NH
I have a large crack in the foundation of my basement. It's running at angle from the corner of window across to the corner with the next wall. Water is currently seeping in, but it has been a problem in the past.
Project Location: Thornton, NH
Horizontal cracks, basement, block foundation.
Project Location: Thornton, NH
We have had water coming into our basement since Easter Sunday. It comes in through cracks in the floor and through the Furnace flue clean out. I've been vacuuming up around 3 to 5 shop vacs full of water 4 to 6 times a day and dumping them into our sump pump. It doesn't seem to have slowed down any.

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