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Tri-State Waterproofing

5.0 (2 reviews)
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Services - Tri-State Waterproofing

Foundation construction

Foundation repair

Foundation replacement

9 More Services

Moisture or vapor barrier installation

Moisture control inspection

Moisture control installation

Moisture control repair

Sump pump installation

Sump pump repair

Waterproofing inspection

Waterproofing installation

Waterproofing repair

Tri-State Waterproofing Photos

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AquaGuard Foundation Solutions

AquaGuard Foundation Solutions

(155 reviews)

I had a great experience with Nick Stamathis from AquaGuard. He was personable, sincere,…read moreknowledgeable, and, most importantly, trustworthy. He took the time to show me the cracks in my foundation and clearly explained why my home would benefit from SettleStop Push Piers. I've been a customer of AquaGuard for four years, ever since they encapsulated my crawlspace. I've been very satisfied with both their initial work and the annual servicing since then. In fact, it was during one of these routine visits that the foundation issue was identified. I'm grateful Nick caught the problem early and put together a clear plan to stop the settling before it gets worse. It's reassuring to work with a company that stays proactive and stands behind their service.

Extremely Disappointed - Poor Encapsulation Work Caused Major Structural Damage & No Response…read more In 2017, AquaGuard installed a full crawlspace encapsulation in our home in Peachtree City. Fast forward to 2026: an independent inspection revealed that they installed the vapor barrier directly over the bases of our original metal support posts under the main girders. This trapped moisture against the posts, causing severe rust, corrosion, and weakening that is now leading to significant settlement and sagging floors throughout the house. A reputable local company (American Crawlspace Solutions) confirmed this damage is directly tied to AquaGuard's improper installation. They quoted over $11,000 to replace 20 rusted posts with new adjustable supports just to stabilize the home and prevent further failure. This is a serious safety issue that could have been avoided with proper installation techniques (like protecting or elevating the post bases). I have reached out multiple times via email (including detailed follow-ups with photos and the ACS report attached) requesting they review under their "lifetime warranty," send an inspector, or at least respond. Crickets. No reply, no report, no accountability. If you're considering AquaGuard for encapsulation or foundation work in the Atlanta area, think twice. Their work caused thousands in damage, and when confronted, they ignore customers. Very poor customer service and questionable workmanship. I now have to pay another company to fix what they broke. Avoid if possible - not worth the risk. #AquaGuard #CrawlspaceEncapsulation #FoundationRepair #PeachtreeCityGA #AtlantaHomeIssues

Knoble Engineering - LVL Beam Installation

Knoble Engineering

(6 reviews)

I wish I had more of an experience to share. I reached out through Yelp asking for an estimate on a…read moreretaining wall project for my house. I got a prompt reply from someone named Chad, which was promising since he was so quick to respond and let me know that he could call me on Monday to discuss (this was a Friday) or I could call their office. I thanked him for his quick response, gave him my contact information, and told him I looked forward to hearing from him on Monday. Well, Monday came and went and I heard nothing from anyone, so I called the number that was listed in his reply and left a voicemail asking for a call back to schedule an estimate or discuss further. It has now been more than a month and I still haven't heard from this company. If they are this bad at communicating from the start, I would not have high hopes for actually working with them. I was disappointed since the Yelp reviews were promising. I'm glad that others have had better experiences with Knoble Engineering and was hoping I would be able to add to their positive reviews, but unfortunately that was not the case. I don't feel it makes sense for me to chase someone that I am trying to give my business to. Luckily, I found another engineer for my project that has been far more responsive.

I had a short notice request and Josh and Chad were able to fill my request for a structural…read moreinspection out in Villa Rica. Their second look inspection on my potential home purchased help identify a fair amount of issue that allowed for a significant price reduction on the home. They did an outstanding detailed job and explained everything very plainly. I would highly recommend them for any inspection needs or structural engineering design/support.

Tri-State Waterproofing - waterproofing - Updated May 2026

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