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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon106
    Verified french drain services reviews

Top-Rated French drain pros in Gap - Updated Nov 2026

Avatar for Waterproofing One
Waterproofing One
4.7(
152
)
Basement Drainage Channels - InstallFoundation Drainage - Install or Replace

Serving Gap, PA and surrounding areas

Approved

In business since 1999

Free estimates

Warranties offered

"Fast Estimate , had many estimates from other companies and Waterproofing One was the best price for Us , Joe was very confident and knowledgeable and gave Us good suggestions for our leaking basement, the crew that installed the French drain inside were great, install looks very professional. I figured we’d have a mess to clean up after the install understandably. But wow they did an incredible job cleaning up afterwards. Not a speck, they even spent time cleaning off the driveway and front lawn. We have been through one major rain storm since the install and not a drip of water. So far so good , we are getting an expected 3” in the next 24 hours and it’s a relief to know I don’t have to stress about rain storms anymore!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+7

6 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Dry Tech Waterproofing Solutions
Dry Tech Waterproofing Solutions
4.4(
276
)
Sump Pump or Interior Foundation Drains - InstallBasement Drainage Channels - Install

Serving Gap, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"The job was to put a sump pump and French drain into a crawl space off my basement. It was completed in a timely fashion. They removed all material in the crawl space and also sprayed an anti mold solution. When I called company to ask questions Jason kindly explained the answer."
Digging out the area
Filling in the crack
During
Insulation board is placed over the Water Shield
Water Shield

+24

Response time8 hrs
Response rate99%
172 neighbors recently requested a quote
BE2LA, LLC
5.0(
6
)
Drain Clog or Blockage - Clear

Serving Gap, PA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

At BE2LA, LLC, we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers' needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large, or small, the job.

Response time1 day
Recommended by100%of homeowners
Avatar for Highlander Waterproofing, Inc
Highlander Waterproofing, Inc
4.2(
163
)
Basement Drainage Channels - InstallFoundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Gap, PA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"All the work was done according to our contract and crew of four men stayed until everything was completed, about 6:30 pm. Installed interior French drains and sump pump. They worked together well and quietly, leaving work areas free of debris and dirt/dust at end of project."
Before and After
After Pic of Basement Wall Rebuild
After Pic of Basement Waterproofing Project
After Pic of Basement Waterproofing Project
After Pic of Basement Waterproofing Project

+18

Recommended by90%of homeowners
Avatar for Groundworks
Groundworks
3.7(
362
)
Sump Pump or Interior Foundation Drains - InstallBasement Drainage Channels - Install

Serving Gap, PA and surrounding areas

Approved (Corporate)

In business since 1975

Free estimates

Warranties offered

"The crew was efficient and answered all our questions. The only reason I didn't give them a 5 rating in customer service is because the sales rep didn't communicate clearly enough with the work crew about no large equipment on our drain field."
Basement
Basement
Basement
Basement
Foundation

+16

Response time11 hrs
649 neighbors recently requested a quote
Recommended by85%of homeowners
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French Drains FAQs, answered by experts

Yes, you can use vinegar to unclog a dishwasher. To do so, combine 4 tablespoons of white vinegar with 4 tablespoons of baking soda and pour the mixture down your dishwasher’s drain. Let it sit for 15 minutes, then pour a cup of hot water down the drain to flush everything out. Finally, run a rinse cycle on your dishwasher to see if the clog is gone.

If you’re not using a septic system, problems with your home’s plumbing won’t cause this—it’s a city problem. A large blockage in the municipal sewage lines may cause those lines to back up into your home. This is extremely unpleasant and can be a serious health risk due to bacteria and other contaminants. If this occurs, call a pro (or your city) immediately.

Sometimes, the drain is just too clogged—thanks, stubborn hair and soap scum. In this case, you’ll need a more powerful drain cleaner than you can DIY safely at home. But this doesn’t mean you have to choose a traditional drain cleaner. 

You can find biodegradable drain cleaners at your local home improvement store or online for those drains that need a little more oomph. 

While on the hunt for a formidable drain cleaner, the best options are non-chemical clog solutions that combine enzymes and bacteria.

If your dishwasher isn’t draining, some common causes include a clogged drain filter, drain hose, or air gap. Also, if you have a garbage disposal, a clog in the disposal can back up your dishwasher since they share plumbing, as can a clog in your kitchen sink’s plumbing. A handy DIYer may be able to figure out how to unclog a dishwasher, but you may need to call in a plumber if you can’t locate and clear the clog yourself.

The best way to unclog a bathtub drain is to pour a pot of boiled water down the drain, being careful not to splash yourself. However, take precautions, as boiling water can damage PVC pipes and joints. Follow up with ½ cup of baking soda and ½ cup of vinegar. Cover the drain with a small sink plunger and let it sit for 15 minutes. Pour boiling water down the drain again and replace the drain stopper.

The Gap, PA homeowners’ guide to french drain services

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