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Avatar for G & J Waterproofing

G & J Waterproofing

4.62(
94
)
Approved Pro

G & J Waterproofing

4.62(
94
)
Approved Pro
Customers say: Super punctual
39 local quotes requested
15 years of experience

At G&J Waterproofing, we believe that your foundation is the most important part of your home. A cracked, wet, or sinking foundation can lead to serious problems such as uneven floors, cracked drywall, peeling paint, mold growth, and even structural safety hazards. Every foundation issue is unique—there is no one-size-fits-all solution. That’s why G&J Waterproofing provides customized foundation repair and waterproofing solutions tailored to your specific needs. If your basement is leaking, your foundation is cracking, or you’re experiencing water damage, we can help! Our Services: ✅ Basement Waterproofing ✅ Exterior Waterproofing ✅ Foundation Repair ✅ Carbon Fiber Straps for added wall support ✅ Flex Shield for protecting sandstone walls ✅ Crawl Space Encapsulation to prevent moisture issues ✅ Foundation Rebuilding for severe structural damage ✅ Steel Beams for extra stability ✅ Rotted Joist Replacement to restore structural integrity ✅ Basement Drainage Systems to keep your home dry At G&J Waterproofing, we also collaborate with licensed structural engineers to ensure the most effective and long-lasting repairs for your home. Protect your home’s foundation today! Call G&J Waterproofing for a free inspection.

"G&J was referred to me by another contractor I had doing my windows. My basement walls were very bad caving in. They came out and got on the job quick. The crew was great, so clean and professional and so knowledgeable. The owner came out also every day to check on my job since I was nervous about having a new foundation put in. He put my mind at ease. The girl on the phone Katie called me every day to go over the process. They really were great all around."

Dee R on November 2025

At G&J Waterproofing, we believe that your foundation is the most important part of your home. A cracked, wet, or sinking foundation can lead to serious problems such as uneven floors, cracked drywall, peeling paint, mold growth, and even structural safety hazards. Every foundation issue is unique—there is no one-size-fits-all solution. That’s why G&J Waterproofing provides customized foundation repair and waterproofing solutions tailored to your specific needs. If your basement is leaking, your foundation is cracking, or you’re experiencing water damage, we can help! Our Services: ✅ Basement Waterproofing ✅ Exterior Waterproofing ✅ Foundation Repair ✅ Carbon Fiber Straps for added wall support ✅ Flex Shield for protecting sandstone walls ✅ Crawl Space Encapsulation to prevent moisture issues ✅ Foundation Rebuilding for severe structural damage ✅ Steel Beams for extra stability ✅ Rotted Joist Replacement to restore structural integrity ✅ Basement Drainage Systems to keep your home dry At G&J Waterproofing, we also collaborate with licensed structural engineers to ensure the most effective and long-lasting repairs for your home. Protect your home’s foundation today! Call G&J Waterproofing for a free inspection.

"G&J was referred to me by another contractor I had doing my windows. My basement walls were very bad caving in. They came out and got on the job quick. The crew was great, so clean and professional and so knowledgeable. The owner came out also every day to check on my job since I was nervous about having a new foundation put in. He put my mind at ease. The girl on the phone Katie called me every day to go over the process. They really were great all around."

Dee R on November 2025


Avatar for Highlander Waterproofing, Inc.

Highlander Waterproofing, Inc.

4.59(
193
)
Approved Pro

Highlander Waterproofing, Inc.

4.59(
193
)
Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
164 local quotes requested

At Highlander Waterproofing & Foundation Repair, we are the area's trusted experts specializing in basement and crawlspace waterproofing and encapsulation, along with foundation repair services for bowing and buckling walls, floor and wall cracks, and full foundation rebuilds to name a few. When you contact Highlander for a free inspection, you are choosing a BBB A+ Accredited, two-time Torch Award for Ethics Winner, with our most recent years 2021, 2022! Highlander doesn't offer a cookie cutter solution like some of the other companies who have a one size fits all solution, nor are we a "Chuck in the Truck" company who operates out of our home. We custom design a solution to your project. Highlander is family owned and operated with a brick and mortar office and warehouse location to service the Greater Pittsburgh Metro Area and WPA. With more than a century of experience, we have mastered repairs and installations, and have the longevity in the industry to stand behind our work.

"Successfully completed the job! Basement is dry. A warning about the amount of mess and leftover dust would have been nice, but overall, a job well done."

L W on June 2023

At Highlander Waterproofing & Foundation Repair, we are the area's trusted experts specializing in basement and crawlspace waterproofing and encapsulation, along with foundation repair services for bowing and buckling walls, floor and wall cracks, and full foundation rebuilds to name a few. When you contact Highlander for a free inspection, you are choosing a BBB A+ Accredited, two-time Torch Award for Ethics Winner, with our most recent years 2021, 2022! Highlander doesn't offer a cookie cutter solution like some of the other companies who have a one size fits all solution, nor are we a "Chuck in the Truck" company who operates out of our home. We custom design a solution to your project. Highlander is family owned and operated with a brick and mortar office and warehouse location to service the Greater Pittsburgh Metro Area and WPA. With more than a century of experience, we have mastered repairs and installations, and have the longevity in the industry to stand behind our work.

"Successfully completed the job! Basement is dry. A warning about the amount of mess and leftover dust would have been nice, but overall, a job well done."

L W on June 2023


Avatar for Highlander Waterproofing, Inc.

Highlander Waterproofing, Inc.

5.00(
1
)
Approved Pro

Highlander Waterproofing, Inc.

5.00(
1
)
Approved Pro
14 years of experience
Free onsite estimate

At Highlander Waterproofing & Foundation Repair, we are the area's trusted experts specializing in basement and crawlspace waterproofing and encapsulation, along with foundation repair services for bowing and buckling walls, floor and wall cracks, and full foundation rebuilds to name a few. When you contact Highlander for a free inspection, you are choosing a BBB A+ Accredited, two-time Torch Award for Ethics Winner, with our most recent years 2021, 2022!

At Highlander Waterproofing & Foundation Repair, we are the area's trusted experts specializing in basement and crawlspace waterproofing and encapsulation, along with foundation repair services for bowing and buckling walls, floor and wall cracks, and full foundation rebuilds to name a few. When you contact Highlander for a free inspection, you are choosing a BBB A+ Accredited, two-time Torch Award for Ethics Winner, with our most recent years 2021, 2022!


Avatar for Groundworks

Groundworks

4.54(
175
)
Approved Pro

Groundworks

4.54(
175
)
Approved Pro
Super Service Award
Customers say: Super punctual
40 local quotes requested
13 years of experience

Since 2012, Groundworks has specialized in helping homeowners with their foundation repair, waterproofing, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across Pittsburgh. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your basement, foundation, or crawl space. PA158514 (PA)

"We had our basement waterproofed by Baker's. It's been bone-dry since. We did have one piece of equipment fail within a month of the installation, but it was a third party dehumidifier that was just a dud I guess, no fault of Baker's. I texted the project manager about it on a Sunday. I expected a response the following week. He got back to me within the hour. The equipment was removed and replaced within a couple days. Everything great since. I would highly recommend Baker's, but specifically our project manager Nathan Goddard and the head guy on site Daylan. Can't remember his last name, but he's got a long beard and did a great job. Thanks to both of them and the rest of the guys."

David L on March 2025

Since 2012, Groundworks has specialized in helping homeowners with their foundation repair, waterproofing, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across Pittsburgh. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your basement, foundation, or crawl space. PA158514 (PA)

"We had our basement waterproofed by Baker's. It's been bone-dry since. We did have one piece of equipment fail within a month of the installation, but it was a third party dehumidifier that was just a dud I guess, no fault of Baker's. I texted the project manager about it on a Sunday. I expected a response the following week. He got back to me within the hour. The equipment was removed and replaced within a couple days. Everything great since. I would highly recommend Baker's, but specifically our project manager Nathan Goddard and the head guy on site Daylan. Can't remember his last name, but he's got a long beard and did a great job. Thanks to both of them and the rest of the guys."

David L on March 2025


Tyler's Basement Waterproofing

No reviews yet

Tyler's Basement Waterproofing

No reviews yet

We are a new and growing Company. Me and my employee's love helping and fixing other's Basement leak's and/or floods by coming in and doing a Waterproof. We make our customers happy with the work that we do and what makes us different from any other Contractors is that we take time and pride to give our customers the look that they want after we leave from doing there job. This company just started and by getting customers can only make me grow and be a bigger company that I am hoping for. We do the job however the home owner wants it done.

We are a new and growing Company. Me and my employee's love helping and fixing other's Basement leak's and/or floods by coming in and doing a Waterproof. We make our customers happy with the work that we do and what makes us different from any other Contractors is that we take time and pride to give our customers the look that they want after we leave from doing there job. This company just started and by getting customers can only make me grow and be a bigger company that I am hoping for. We do the job however the home owner wants it done.


Muddy water construction

No reviews yet

Muddy water construction

No reviews yet

We are a small construction Team, We do landscape, foundations, roofing, stone work ect. We are out of Foxburg PA but are willing to travel depending on the job. Between the three of us we have over 20 years or construction and labor into this kind of work. We've just recently became an L.L.C, and we are veteran led.

We are a small construction Team, We do landscape, foundations, roofing, stone work ect. We are out of Foxburg PA but are willing to travel depending on the job. Between the three of us we have over 20 years or construction and labor into this kind of work. We've just recently became an L.L.C, and we are veteran led.


Bilcobilly Remodeling & Handyman llc

No reviews yet

Bilcobilly Remodeling & Handyman llc

No reviews yet
36 years of experience

Bilcobilly is a Residential Remodeling & Handyman Co, specializing in all phases of Building, Home Maintenance and Repair Projects - from Small, To-Do-List- to Kitchen, Bathroom and basement Remodels. Call to find out if we are the right fit for you and your project.

Bilcobilly is a Residential Remodeling & Handyman Co, specializing in all phases of Building, Home Maintenance and Repair Projects - from Small, To-Do-List- to Kitchen, Bathroom and basement Remodels. Call to find out if we are the right fit for you and your project.


Avatar for G & J Foundation Repair

G & J Foundation Repair

4.20(
5
)

G & J Foundation Repair

4.20(
5
)
Customers say: Quick response
15 years of experience

G&J Foundation Repair offers customized solutions for your home. We believe the foundation is the most important part of your home. We also work with structural engineers. If you notice any bowing, cracking, sinking, water or any other problem call 724.594.0527 for a free estimate.

"Two thumbs up! I highly recommend Harry Wynkoop and his company G&J Waterproofing. A true professional and a man of his word. He gave us a very reasonable estimate. His crew showed up on the date that he stated that they would start the work. No BS like other contractors out in the Pittsburgh area. As a law enforcement officer in Pittsburgh, PA I am very skeptical who I hire to do work at my home. I trust G&J Waterproofing to get the job done and correctly. They communicate with you during the job which is very rare for other contractors out there. The work done to my basement is waterproofing and they parge the basement walls. I invite anyone to look for themselves at the outstanding work done by this company. I dare you to find another waterproofing company other than G&J Waterproofing. By the way my basement is DRY!!!! Thanks Harry."

Mark V on September 2022

G&J Foundation Repair offers customized solutions for your home. We believe the foundation is the most important part of your home. We also work with structural engineers. If you notice any bowing, cracking, sinking, water or any other problem call 724.594.0527 for a free estimate.

"Two thumbs up! I highly recommend Harry Wynkoop and his company G&J Waterproofing. A true professional and a man of his word. He gave us a very reasonable estimate. His crew showed up on the date that he stated that they would start the work. No BS like other contractors out in the Pittsburgh area. As a law enforcement officer in Pittsburgh, PA I am very skeptical who I hire to do work at my home. I trust G&J Waterproofing to get the job done and correctly. They communicate with you during the job which is very rare for other contractors out there. The work done to my basement is waterproofing and they parge the basement walls. I invite anyone to look for themselves at the outstanding work done by this company. I dare you to find another waterproofing company other than G&J Waterproofing. By the way my basement is DRY!!!! Thanks Harry."

Mark V on September 2022


"CRS did a great job on replacing a leaking gas line to my home - all work - trenching, new lines, risers, working with People's Gas to get new meter and house-tie-in completed, backfilled, seeded, and straw-cover done in one day. I very much appreciated the high quality work and the speed in which things got done."

David L on July 2025

We are a family owned business out of Cabot Pa, serving the surrounding areas. We are a full line Excavating, Electrical, Plumbing and Utilities service company.

"CRS did a great job on replacing a leaking gas line to my home - all work - trenching, new lines, risers, working with People's Gas to get new meter and house-tie-in completed, backfilled, seeded, and straw-cover done in one day. I very much appreciated the high quality work and the speed in which things got done."

David L on July 2025


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Foundation Repair questions, answered by experts

The most cost-effective foundation repair is using masonry patches and sealants to seal foundation cracks and offer some support to prevent further damage. These methods are used to fix minor foundation cracks quickly. However, they’re not suitable as a long-term solution, and they only offer minimal stability. On average, masonry patches and sealants cost $500, but a sealant like an epoxy crack injection can total over $2,000. If you’re handy and only looking for a temporary solution until you contact a local foundation repair contractor for a more permanent one, you can save hundreds by DIYing this repair.

While it can be difficult to identify a bad foundation at first glance, look for large horizontal cracks, discoloration, bulging basement walls, or signs of water damage. You may also see large gaps between the home and the foundation on the outside or signs of pooling water from a recent storm.

Minor slab leaks normally take around three hours to access and fix, provided the leak is in an accessible location. However, a more extensive leak or a leak in a hard-to-reach location can take several days to fix, depending on the resulting damage. You might also want to consider the timeline for the build-back if the leak damages building materials like flooring or cabinets, which can take several weeks, including delivery of the materials.

It’s crucial to hire a foundation company that’s professional, experienced, and reliable, starting by choosing local experts with at least five to ten years of experience with your type of project. Local foundation companies will understand the soil and weather conditions in your area and can carry out the best solution based on your property characteristics. You should ask for a list of customer references, read through online reviews, and check for customer complaints and unresolved issues filed with the Better Business Bureau (BBB) before hiring.

Yes, all basement floors crack in response to the natural settlement of the soil around them and from concrete shrinkage as it cures, and you’ll see hairline cracks as a result. However, you should keep an eye on your basement floor to see if cracks continue to lengthen or widen or show signs of water intrusion. In any of these cases, the problem is likely not settling or shrinkage, and a professional repair is necessary.

The Cowansville, PA homeowners’ guide to foundation repairs

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