Basement Waterproofing Services
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Why Waterproof a Basement?
The best way to maintain or increase your property value is to improve your home through repair, expansion, and remodeling. Basement waterproofing is one of the ways you can help keep your property value high while saving your foundation from potential disastrous situations brought on by rain. If water seeps into your basement, that is a bad sign. Basement leaks can mean your foundation is in need of repair to keep the walls from cracking or growing mold which can be deadly to your family.
Interior & Exterior Waterproofing
Interior Basement Waterproofing
Interior basement waterproofing systems are designed to actively respond to water that enters your home. These systems involve the use of a sump pump that collects and pumps stormwater out of your basement and back into your yard. While interior waterproofing is typically cheaper than exterior waterproofing, it can still allow some water to come in.
Exterior Basement Waterproofing
Exterior basement waterproofing involves excavating the soil around your foundation, repairing any cracks, and installing a rubber membrane to keep water from entering your basement. If needed, we can also install French drains and gutters to limit the accumulation of water around your foundation. This process is highly effective in preventing flooding and wet basements.
“We have been a basement waterproofing company for over 20 years, proudly serving residents in the Delaware Valley region. We offer superior craftsmanship with fair pricing to all of those in need of basement waterproofing and related services.”
Joseph Soster
Verified 5 Star Contractor
4.8 Stars – 491 Reviews from 5 Sources
Did a wonderful job with our basement and efficiently! They were able to come out right away and love the new basement. Only wish we had done it sooner. Original foundation was from 1930s and falling apart.
Their rep Frank was very knowledgeable and thorough when investigating the problem. Their quote for the work was very fair for what had to be done. Also I have to give credit to the team that did the work, they laid out covers on the site to make sure things didn’t get messed up from the mud. They really worked hard and did a great job! This is the kind of contractor I appreciate . Thanks guys!
Joe, the owner, has an amazing team that helped with our exterior Waterproofing, mold remediation, and dry wall installation. It was a huge job, and his team was able to wrap up the exterior work very quickly. They connected our downspouts to the ground ground drainage, and added several drain areas in front of doors to ensure no water could get in. Looking forward to a big rainfall to test out his Waterproofing Solution.
The owner performed a thorough inspection of the basement and promptly provided me with an extremely reasonable quote. The job was started and completed within two days! The crew was highly skilled and meticulous! I’ve never seen such a coordinated project and one that ran with such efficiency. The owner checked in on the crew to ensure that all details were followed, and he was also prompt in returning my texts and phone calls. Honestly, don’t even consider another company for the job!
Our 1960-built house has a 650 SF dirt crawlspace that takes in a lot of water, and it was time to address it. A co-worker had recommended Waterproofing One after having had a good experience with them in 2020.
Frank came on-site on 12/16/23 and walked us through his recommendations. He was not overly pushy to upsell given we had shared that we don't plan to be in this house long-term, but feel we owe the next owners a decent solution. He shared a detailed estimate on 12/18/23 which included a French drain, sump pump, battery back-up, carbon fiber straps to fix foundation cracks, pointing and stucco for exterior cracks, and re-routing of gutter downspout discharges. We had some questions which he was quick to answer throughout the week, and we committed to using Waterproofing One on 12/22/23. We scheduled for 12/27/23, and the crew arrived at around 9:00 AM.
The crew on the first day were very polite and thorough. The only unexpected issue was that it would not be a one-day job as the conditions outside were too wet for the exterior work. Once they had completed the interior work, they walked me through what they had done, and showed me how the sump pump and battery back-up works. They were very thorough in cleaning up the site - you wouldn't know that such extensive work had been done by the way my property looked once they left.
The exterior crew arrived unexpectedly (but thankfully) the next morning around 7:45 AM. Again, they did a nice job and cleaned up after themselves before leaving around mid-afternoon. The color matching on the stucco and pointing was not perfect, but good enough I suppose.
All in all, it was a good experience working with Waterproofing One. They were fast, thorough, clean, and reasonably priced. I would recommend having them quote any interior/exterior waterproofing jobs.
Frank came on-site on 12/16/23 and walked us through his recommendations. He was not overly pushy to upsell given we had shared that we don't plan to be in this house long-term, but feel we owe the next owners a decent solution. He shared a detailed estimate on 12/18/23 which included a French drain, sump pump, battery back-up, carbon fiber straps to fix foundation cracks, pointing and stucco for exterior cracks, and re-routing of gutter downspout discharges. We had some questions which he was quick to answer throughout the week, and we committed to using Waterproofing One on 12/22/23. We scheduled for 12/27/23, and the crew arrived at around 9:00 AM.
The crew on the first day were very polite and thorough. The only unexpected issue was that it would not be a one-day job as the conditions outside were too wet for the exterior work. Once they had completed the interior work, they walked me through what they had done, and showed me how the sump pump and battery back-up works. They were very thorough in cleaning up the site - you wouldn't know that such extensive work had been done by the way my property looked once they left.
The exterior crew arrived unexpectedly (but thankfully) the next morning around 7:45 AM. Again, they did a nice job and cleaned up after themselves before leaving around mid-afternoon. The color matching on the stucco and pointing was not perfect, but good enough I suppose.
All in all, it was a good experience working with Waterproofing One. They were fast, thorough, clean, and reasonably priced. I would recommend having them quote any interior/exterior waterproofing jobs.
Our sump pump float had stopped working in the middle of the latest rain storm. Joe's team came out that day to install a new pump otherwise our basement would have flooded. His team was clean and efficient. Thanks Waterproofing One!
Waterproofing one came out this week for a ton of stuff. French drain, sump pump, repaired basement walls, and outdoor system. They did a great job and were very clean. They even helped me move the heavier stuff out of the way and set up a good amount of protective barriers. They were very thorough with the work that they did. Before signing the contract, Joe, the owner, sat with me and answered all of my questions without rushing through any descriptions. Enough so that I noticed that the crew missed a minor step in the wall repair and they came back out to do it over. He stood by his word. Regarding the outside work: a huge trench was dug along my house where the slab foundation is and after they put it all back together you could barely tell that it was done. They even cleaned out my gutters at no extra cost. I would recommend them.
I was very pleased with the service I received from Waterproofing One. The team was very friendly and wanted to help as best as they could. Would definitely recommend to anyone.
Excellent service really helped me out with a leak in my basement. Highly recommend their services.
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A damp, musty basement isn’t just uncomfortable—it can lead to serious damage. At Waterproofing One, we specialize in basement waterproofing solutions that keep your home dry and protected year-round. Whether you're dealing with occasional seepage or persistent flooding, our team will identify the source and apply proven methods to stop water in its tracks. Say goodbye to moisture problems and hello to peace of mind.
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Ready to transform your basement into livable space? Waterproofing One doesn’t just stop at waterproofing—we also offer professional basement finishing services. From drywall to flooring and lighting, we’ll help you create a comfortable, dry, and functional space your family will love. Whether you're dreaming of a home office, playroom, or entertainment area, we’ll bring your vision to life—starting from the ground up.
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OUR ACCREDITATIONS
Some areas that Waterproofing One provides services include:
- Modena, PA | Haverford, PA | Collegeville, PA | Downingtown, PA | West Chester, PA | Devon, PA | Springfield, PA | Doylestown, PA | Bala Cynwyd, PA | Bryn Mawr, PA | Thorndale, PA | Blue Bell, PA | Wilmington, DE | Wayne, PA | Honey Brook, PA | Bridgeport, PA | Kenilworth, PA | Hockessin, DE | Paoli, PA | | Ardmore, PA | King of Prussia, PA | Glen Mills, PA | Lansdale, PA | Ambler, PA | Spring City, PA | Pottstown, PA | Media, PA | Conshohocken, PA | Kennett Square, PA | Royersford, PA | Exton, PA | Parkesburg, PA | Charlestown Township, PA | Chester County, PA | Woodyln, PA | Berwyn, PA | South Pottstown, PA | Oxford, PA | Villanova, PA | Malvern, PA | South Coatesville, PA | Wynnewood, PA | Phoenixville, PA | Chester Springs, PA | West Grove, PA | Coatesville, PA | Lionville, PA |
Waterproofing One
4093 Hollow Rd
Phoenixville, PA 19460
For Over 25 Years Serving The Main Line – Chester County - Bucks County - Montgomery County – Delaware County - Lancaster County & Surrounding Areas
Pa Lic#: Pa057647
NJ Lic#: 13VH09291700
DE Lic#: 17-92051-13-000