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Avatar for Northern Basement Systems
Northern Basement Systems
4.6(
21
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Gorham, NH and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Northern basements was able to fit us in quickly, pulled our crooked cement wall back in-place and sealed the wall to prevent future leaks.  The work was timely, communication was friendly and detailed, and price was as to be expected for the large amount of work that needed to be done.  We are very pleased with the whole process as well as the results.
"
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+25

Response time1 day
3 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for SW WOOD LLC
SW WOOD LLC
5.0(
1
)
Basement Drainage Channels - Repair

Serving Gorham, NH and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"I was very pleased with the work he did, he has a nice way of explaining things , I sure I will hire him again for other projects when needed he is a very pleasant person to deal with. Tank you Scott for being such a nice guy ."
25 neighbors recently requested a quote
Avatar for Green Mountain Basement Solutions LLC
Green Mountain Basement Solutions LLC
4.0(
30
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gorham, NH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"The work itself, the actual basement waterproofing appears to be working but our flood season hasn't come yet so, I'm reserving judgement. But, the way the work was done was a problem and the initial way that they got with the problem wasn't satisfactory. Eventually, months after work I did get some resolution but is wasn't a smooth transaction. We moved some of the finished portions of the basement to do their work and the way that that was handled was very sloppy and rushed, and very expensive to repair. And then, when the initial point of having somebody come and look at all my questions, it was not the owner, it was his foreman and it was not dealt within a professional manner. After 2 contacts, tried to explain what the problems were and has offered that they have an annual service to make sure that everything is working and there's a fee for that, though he offered 2 years of that with no cost, so that was a nice gesture. He tried to make up for the problems but like I said, there were problems."
Recommended by75%of homeowners
Avatar for Twin State Basement Services - Home  Facebook
Twin State Basement Services - Home Facebook
3.7(
7
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gorham, NH and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"We'd been dealing with basement water for 8 years. We finally called and they worked straight thru a weekend to get it done. The next time it rained we got a bit of water, called them and they came out right away and fixed the issue. Dry basement at last."
Response time3 days
Recommended by100%of homeowners
KD Concrete Services, LLC
5.0(
6
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gorham, NH and surrounding areas

In business since 2015

Free estimates

Credit card accepted

"Kyle was on time, honest and an extremely hard worker. He cleaned and sanded down our foundation then used cement to seal the footing and the foundation and also went the extra mile to go to home depot and get something for a huge crack he pointed out in the foundation from top to bottom. He fixed that and then sealed it. Gave the estimate same day he was out. Excellent work. Would highly recommend"
Response time3 days
Recommended by100%of homeowners
Avatar for New England Home Renovations LLC
New England Home Renovations LLC
4.0(
311
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gorham, NH and surrounding areas

In business since 1983

Free estimates

Emergency services offered

"We contacted Richard regarding the job, and had a quote back within the week - good quote.  He quickly responded to any questions  we had, and scheduled the work.  They completed the demo in one day, a few days before the cabinets showed up - if I had to do this again, I would hold off on the demolition until the cabinets were in, as it is difficult to live without a kitchen, especially with children.  It took approximately two weeks for the kitchen to be completed, with slight delays due to a damaged cabinet, time for the new countertops to set, appliance delivery, etc.  One hitch developed when the dishwasher was hooked up incorrectly, and water ran into my basement - I called Richard, and once I got through the answering service, he contacted the plumber, and we resolved the problem immediately over the phone, and the plumber was at my house at 8 the next morning ( a Saturday of a holiday weekend) to permanently fix the problem.  At the end of the two weeks, we had a great new kitchen, well installed, and we were thrilled!"
Before
After's
New boiler install
Removal of cast Iron to PVC.
Additional Photos

+37

Recommended by89%of homeowners
Showing 1-10 of 33
Basement Waterproofing questions, answered by experts

Crawl spaces are the more desirable option overall because they provide additional space for storage and utilities, but they are more expensive to install and maintain. Slab foundations are considered a better option in warmer climates where the depth of the frost line isn’t an issue because they’re more affordable, but crawl spaces are better in areas where the frost line is deep or where flooding can be an issue.

Signs include persistent dampness, mold or mildew presence, musty odors, and visible water stains. If any of these occur, it is advisable to contact a professional for an inspection.

Since basements are prone to water and moisture issues and the resulting problems can be expensive to repair and potentially damaging to your home, basement waterproofing is almost always worthwhile. Even for homes that haven’t experienced water infiltration, waterproofing the basement is insurance against facing expensive repair bills in the future. All basements will leak at some point, so fixing drainage issues and taking steps to prevent moisture and water infiltration is wise.

No, your basement dehumidifier doesn’t need to be on 24/7. While it’s an excellent tool for tackling damp, musty air, especially in humid seasons, leaving it running nonstop can backfire. Over-drying the space can mess with your sinuses, warp wood, and even crack certain materials. Instead, only use your humidifier when moisture levels rise above 50%, and then give it a break when the humidity levels drop.

Yes, the air from a damp basement can travel up into your living area through a process called the stack effect, so moisture, mold spores, and other debris in your basement air can all decrease your indoor air quality on your main floors. Additionally, damp basements can promote the rotting of building materials, which can damage flooring, insulation, and framing on your first floor in addition to materials in the basement.

The Gorham, NH homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.