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Avatar for Groundworks
Groundworks
4.6(
26
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - InstallBasement Drainage Channels - Install

Serving Conway, NH and surrounding areas

Approved (Corporate)

In business since 1996

Free estimates

Warranties offered

"So far, so good. The finished project looks great; it really hasn't been tested yet as there has been little or no rain. Groundwater used to flow through the cellar after heavy rains so we'll see it the subsurface floor drain works. The floor looks good, the price was right (lowest of three bids) and Beth was very helpful and available to answer all my questions. At the moment, I'm very happy."
Foundation
Foundation
Foundation
Basement
Basement

+16

Response time12 hrs
245 neighbors recently requested a quote
Recommended by56%of homeowners
Avatar for Northern Basement Systems
Northern Basement Systems
4.6(
21
)
Basement Drainage Channels - InstallFoundation Drainage - Install or Replace

Serving Conway, NH and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Our house was built in the 1890's. The foundation is stone with multiple generations of mortar in various states of disrepair. Our original plan of interior foam insulation was disrupted by some dramatic seepage on the north side of the foundation. Northern Basements came to provide us with a few options for repair. The diagnostic visit was very informative and the estimates reasonable. We chose the exterior drain option and sent in our deposit. The team that completed the work was amazing in what they accomplished and their very professional demeanor. We also purchased a dehumidifier system from Northern Basements. One year later all systems have worked very well. The basement is dry and we have had no other issues.
"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+25

Response time1 day
7 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for SW WOOD LLC
SW WOOD LLC
5.0(
1
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Conway, 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 ."
9 neighbors recently requested a quote
Avatar for Basement Solutions LLC
Basement Solutions LLC
New to Angi
Basement Drainage Channels - InstallFoundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Conway, NH and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

We pride our company on reliability, integrity and quality work. We are experts in our trade. We look forward to earning your business! We specialize in concrete crack repair and injections, basement waterproofing, sump pump installations, basement and egress window installations, crawlspace repair, moisture control, foundation repair and so much more.\nCall us today for a free estimate.

Egress
Egress
Egress
Sump Pump
Perimeter System

+4

11 neighbors recently requested a quote
Avatar for Granite State Piping
Granite State Piping
4.9(
87
)
Basement Drainage Channels - InstallSump Pump or Interior Foundation Drains - Install

Serving Conway, NH and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"The Granite State Piping team just completed our central air conditioning install. The team was professional in every way. They were punctual, hardworking, knowledgeable, and especially competent when it came to troubleshooting the only issue that surfaced during the install. The final outcome EXCEEDED our expectations! We would recommend them wholeheartedly."
Boiler flues
Water Tratment
GSP1
GSP2
GSP3

+2

Response time1 day
Recommended by97%of homeowners
Avatar for Pacific Stone & Tile
Pacific Stone & Tile
4.6(
321
)
Sump Pump or Interior Foundation Drains - Install

Serving Conway, NH and surrounding areas

In business since 2007

Free estimates

Credit card accepted

"Overall experience, from visiting their site to select the granite, scheduling the template and countertop installation, and the installation itself was positive. Installers were very conscientious in their work"
boston job
boston job
w boyston job
Albany ny
marlboro ma

+3

Recommended by91%of homeowners
Avatar for Green Mountain Basement Solutions LLC
Green Mountain Basement Solutions LLC
4.0(
30
)
Basement Drainage Channels - InstallFoundation Drainage - Install or Replace

Serving Conway, NH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"We have had an intermittant water problem in our basement primarily when it rains heavily in the Winter.
I was very happy with the quick response from Mike Sears when we initially called to ask about repairing a water leak problem in our basement.  Mike explained how his proposed solution would work to alleviate the water problem. 
Mike left us with a detailed estimate and informational materials about the proposed repair.  He also explained what wasn't included in the job such as tearing out the current sheetrock, insulation and framing from the wall.  I did  this part of the work and the reconstruction after the drain had been installed.
We spoke to Mike a few days later, agreed to the price and set a date for the repair.
On the scheduled date, two of Mikes employees arrived on time and began to prep for the repair.  They did a good job of hanging plastic sheeting around their work area so that the dirt and dust would not get into the rest of the basement.
We had discovered a crack in the basement wall which wasn't visible when the original estimate was given.  Scott Lee gave  us a written estimate to repair it with carbon-fiber cloth and sealant.  While this was an unexpected expense, there was no reason to put in a drain and leave a crack in the wall.
Taking out a basement floor with a jackhammer and installing a drain is a hard, dirty job.  Scott and his co-worker completed this job in about 6 1/2 hours including the additional work for the wall crack.
They did a good job of cleaning up the old concrete and all working materials 
Scott explained how the pump would work when the water table under the house rose.  
My only issue with quality was the uneven concrete finish work on the basement floor above the drain.  Because this was leveled by hand, there is a somewhat noticeable depression in this area of the floor.
Overall, I am happy with the work and looking forward to a dry basement when the rains come this spring.


"
Recommended by75%of homeowners
Avatar for TJ Thistlewood Plumbing & HVAC
TJ Thistlewood Plumbing & HVAC
5.0(
6
)
Sump Pump or Interior Foundation Drains - Install

Serving Conway, NH and surrounding areas

Emergency services offered

"It went great, Tyler noted that I was handicapped and made sure that my new toilet was ADA approved. I felt it was a nice detail that many would have overlooked. Tyler paid great attention to detail, my bathroom was as clean after the new toilet was installed as it was before and even having to drag the old one through the house my hard wood floors never got a drop of water on them. He was friendly and very polite. I would definitely call him for our plumbing needs again!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Recommended by100%of homeowners
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Drain Pipe Installation questions, answered by experts

Baking soda and vinegar aren’t just great for making a volcano for your kid’s science project. You can also pour this dynamic duo down your shower drain to dissolve hair clogs. If that doesn’t do the trick, you can step it up with a commercial liquid drain cleaner. 

A clogged air gap can cause a dishwasher not to drain. There are, however, other potential issues that can lead to improper drainage. For example, if you have attached the air gap to a garbage disposal and forgotten to remove the knockout plug, wastewater may backflow into the dishwasher. Check that the air gap is installed properly, and then look for clogs in the air gap and dishwasher filters. 

Unlike regular cleanings, snaking your sewer line should be done as needed. There’s no reason to snake your sewer line if you don’t have any noticeable issues, like slow drainage or plugged drains. You can add it to your regular sewer cleaning checklist as a prevention method (on the same 18- to 22-month schedule), but it’s not always necessary. 

There are a couple of things you can do to help prevent your French drain grate from clogging. First, keep yard debris clear so it doesn’t wash into the drain and clog the grate. You can also install a screen or filter over the grate to prevent large pieces of debris from entering the access point.

A liquid drain cleaner can sometimes make a clog worse over time if you use it improperly or too much. The chemicals in drain cleaners can corrode and damage pipes, causing cracks and leaks that may cause further blockages. If the clog is more than the liquid drain cleaner can handle, the cleaner will simply add chemicals to a bigger overall problem.

The Conway, NH homeowners’ guide to drain pipe installations

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