If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
Sealtech Waterproofing has over a decade of experience helping homeowners solve grading, drainage, humidity, and waterproofing issues. From land leveling and excavation to crawl space and basement improvements, our small, dedicated team focuses on accurate, cost-effective solutions that last.
We carefully evaluate each property so our estimates reflect the real work needed—no upselling, just practical recommendations to protect your home’s foundation and structure. Whether you’re dealing with standing water, damp crawl spaces, or poor drainage around your home, we’re here to help restore the health and efficiency of your property.
Contact us today to discuss your project and get a straightforward, professional assessment.
Overview
Hired 17 times
Serves Cornelius, NC
Background checked
6 employees
11 years in business
Business hours
This pro hasn't listed their business hours.
Payment methods
This pro accepts payments via Apple Pay, Cash, Check, Credit card, PayPal, and Zelle.
Customers rated this pro highly for work quality, professionalism, and responsiveness.
Exceptional 5.0
12 reviews
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Read reviews that mention:
Jason W.
5 days ago
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Hired on Thumbtack
Great experience working with Dani and his team. Communication was easy, the pricing was reasonable, and they completed the grading work as discussed. We’re very happy with the result and would definitely recommend them.
Land Clearing
Jacob R.
Jun 18, 2026
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Hired on Thumbtack
Dani and his team went above and beyond all expectations. Im very glad I chose them to do my project. highly recommend Dani and seal tech water proofing.
Details: Less than 1 • Drainage • Slightly sloped • Flat • No obstructions • Yes, I will need the professional to haul any excess soil or debris • Residential
Land Leveling and Grading
Nathaniel H.
May 26, 2026
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Hired on Thumbtack
Dani and his crew were awesome. It was a 2 day job that was done efficiently in 1 day. His crew answered all our questions. Cleaned up and everything. I would recommend anyone to give them a call.
Details: Complete renovation like replacing soil or hardscape services • Install or repair drainage • Walkway - pavers or stone • Back yard • No, one-time project • Home
Outdoor Landscaping and Design
Laura T.
May 20, 2026
We had a great experience with SealTech Waterproofing. The team was professional, honest, and very knowledgeable. They explained everything clearly, showed up on time, and made the whole process stress-free. The quality of the work was excellent, and you can tell they really care about doing the job right. Highly recommend them to anyone needing waterproofing or foundation services.
Tony S.
Mar 14, 2021
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Hired on Thumbtack
Sealtech got back to me right away when I asked for a quote on my backyard patio. They came out right away and gave me an estimate. The work was great and looks fantatastic.
Details: Pour new concrete • Patio or porch • Less than 500 sq ft • Home
Sealtech Waterproofing's reply
It’s was a pleasure mr Tony , thank you
Concrete Installation
Credentials
Background Check
Dani Andino
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
Sealtech waterproofing offers a range of services and products, with pricing varying based on the scope of work and materials.
What is your typical process for working with a new customer?
Once approved, our team schedules the project at a convenient time for you. Our experienced technicians complete the installation carefully, using top-quality materials and proven waterproofing systems.
What education and/or training do you have that relates to your work?
With over 15 years of field experience, our technicians are trained to identify water intrusion problems at the source and apply the most effective long-term solutions — from exterior grading and drainage to full encapsulation and sump pump systems.
