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Reviews From Windham
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 Wall Insulation Panels
Drain Tile Installation
SuperSump Pump System
TripleSafe Pumping System
UltraSump Battery Back-Up
SaniDry Dehumidifier
Sump Pump Installation, Replacement & Repair
Bowing Wall Repair
Crawl Space Repair Services & Products
CleanSpace Encapsulation Vapor Barriers and Liners
Turtle 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
Company Awards
2018 Better Business Bureau's Torch Award
Northeast Basement Systems was the runner-up in the midsize category to win the Torch Award for Marketplace Ethics. "It is... [Read more]
Northeast Basement Systems Wins the 2016 Granite Mikes Merit Award
Thursday October 27, 2016 held the prestigious TV Awards. Northeast Basement Systems won their category for Most Creative Commercial for... [Read more]
Rookie of the Year Award
Owners, Ron and Kerri Canelli of Northeast Basement Systems, proudly displays their "Rookie of the Year Award" from Basement Systems,... [Read more]
More Awards

Leading Sump Pump Installation & Basement Contractor serving Windham, NH

Very pleasant to talk with and was not punchy at all to purchase. (which we liked), but was glad that...
Happy Customers Surrounding Windham, NH
Work Requests

Click the icons to see what our customers had to say.

Northeast Basement Systems has been solving basement and crawl space issues for homeowners in Windham. We are the exclusive dealer in Windham for the Basement Systems Network. This means we have received countless installation training as well as access to patented products.

The products we use come with warranties and we stand behind our work. We provide comprehensive inspections, written estimates, and fast installation. We make sure the job is done right and that it lasts. Call us today.

Basement Waterproofing & Crawl Space Repair

We provide permanent solutions for your wet basement or damp, moldy crawl spaces. We inspect your home, show you what we found and then layout how we can fix it. After you agree with the plan we get to work and finish quickly. Don't deal with mold, smells, rot or water damage anymore in your Windham home. We also provide sump pump installation, repair, and replacement.

We Provide:
  • Basement Waterproofing
  • Crawl Space Encapsulation
  • Leak Repairs
  • Exclusive, Patented Products
  • World's Best Sump Pumps
  • Energy-Efficient Dehumidifiers          
You Receive:
  • Permanently Dry Basement or Crawl Space
  • Controlled Humidity
  • Mold Mitigation
  • Lifetime Transferable Warranty
  • Greater Home Value
  • Peace of Mind
Work Requests From Windham, NH
Project Location: Windham, NH
I have some water coming up into a few spots of a finished basement. I'm 90% sure I need a sump pump installed.
Project Location: Windham, NH
Moisture in my 1971 basement. Hollow core block wall foundation. Bulkhead door condensation issue, may need foundation repair.
Project Location: Windham, NH
Basement had a little water in the corner last week. I removed some of the wall and I believe it's leaking where the concrete wall meets the concrete floor
Project Location: Windham, NH
Rotted sill plate and siding in a 4ft section of wall caused by poor exterior landscaping.
Project Location: Windham, NH
We had a quote with Northeast Basement Systems several years ago but did not get the project done. We are looking for an updated quote as we are reconsidering the project. Thank you.
Project Location: Windham, NH
Looking to waterproof an mostly unfinished basement.
Project Location: Windham, NH
Wet basement protection
Project Location: Windham, NH
Estimate for crack repair /basement finishing
Project Location: Windham, NH
Have some minor water seepage coming in through either basement wall or floor in a finished part of our basement, happened in spring with snow melt and with all the heavy rain. Need solve issue. Thanks
Project Location: Windham, NH
I have seeping in through corner of unfinished basement and water in garage floor. Water is pooling. Foundation block walls, concrete floor. Need quote to have repair done as soon as possible.
Project Location: Windham, NH
We have water damage in our basement due to a poorly sealed door from the driveway to the basement. It floods each time it rains, and the drywall has mold at the base. We're looking for a solution to prevent this from happening and to repair the damage.
Project Location: Windham, NH
Would like an estimate on basement and bulkhead waterproofing. Please contact me on my cell to discuss. Thank you.
Project Location: Windham, NH
Foundation Cracks (opened), Existing Cracks not repaired correctly and basement floor cracks (not just hairline). Want to seal, repair, and waterproof basement prior to finishing. Thank you!
Project Location: Windham, NH
We have an unfinished basement that we would like to finish (or finish half of it for the teens to hang out in). Waters leaks into the basement several times per year, so we need to seal the basement and address that issue first.
Project Location: Windham, NH
Basement wall/floor crack leaks water, during rain.
Project Location: Windham, NH
Looking for recommendation for basement waterproofing
Project Location: Windham, NH
We have water coming up through basement floor
Project Location: Windham, NH
Water seeping into basement through masonry foundation walls. In certain spots I can see the water trickling in.
Project Location: Windham, NH
Have gotten water in the basement in the past. Would like to refinish the basement but am concerned about future water.
Project Location: Windham, NH
I have a thin long crack in my foundation wall that i would like to determine what options are for repair.

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