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Learn about our screening process

3 Years In Business

Company Details

  • Bilingual

Hours

  • Mon: 9:00 AM - 8:00 PM
  • Tue: 9:00 AM - 8:00 PM
  • Wed: 9:00 AM - 8:00 PM
  • Thu: 9:00 AM - 8:00 PM
  • Fri: 9:00 AM - 8:00 PM
  • Sat: 9:00 AM - 3:00 PM
  • Sun: Closed
View All Details & Credentials

Achievements

Service Details

  • Residential Work
  • Commercial Work

Areas of Expertise

  • Insulation - Blown in, Spray foam, Batt, Rolled reflective insulation install or upgrade
  • Basement Waterproofing + concrete crack sealing
  • Paving and sealing patios and driveways
  • Basement remodeling
  • Concrete work, Residential and Commercial
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Credit Cards Accepted

Ratings

4.9
41 Verified Reviews
  • 5
    40
  • 4
    0
  • 3
    0
  • 2
    1
  • 1
    0

Highly rated for

  • Quality
  • Value
  • Customer Service
Showing 1-10 of 41 results
5.0 Gary G. Dix Hills, NY
1/22/2024

We hired Zavza Seal to repair cracks in our basement. The work was done carefully and efficiently at a fair price.

5.0 Lawrence B. Brooklyn, NY
12/12/2023

Zavza took care of my home insulation project. Crew was very professional and cared about both, the quality of the work and meeting the deadlines. They went extra mile to make sure job was done properly and I highly appreciate that.

5.0 Matt T. Riverhead, NY
9/18/2023

No comment.

5.0 Terry S. Melville, NY
8/31/2023

Terrific in all aspects from evaluation, to proposal through contract. They were thorough in determining what was required & had to be done to fix the long standing waterproofing problems. They proposed different solutions to the various problem areas. They were responsive to questions & any matters raised. Once I was comfortable with the work to be performed & the estimate work was immediately scheduled. Workers arrived as scheduled & knew what was required. They were courteous, professional & knowledgeable. The crew completed the work timely & left the job clean & in good order. Zavza is an honest, reliable & trustworthy company who knows their business & effectively performs their trade. I believe once & for all my waterproofing issues have been effectively addressed.

5.0 Michael O. Saugerties, NY
8/14/2023

The crew did a great job for us! They worked very hard even though the temperatures were in the 90's for the first 2 days of the job. I would definitely recommend them to others.

5.0 Natalie U. Centerport, NY
7/22/2023

We couldnâ t be happier with the job that Austin did spraying foam to insulate our basementâ s rim joists (where the top of the foundation meets the wood framing). He measured the rate of air exchange before and after, and it was reduced from more than 10 times an hour to 5.6 times, a significant reduction that will result in future energy savings. Weâ re just sorry we didnâ t do this sooner. Zavza Sealâ s pricing was competitive with that of two others. Austin also identified and measured another source of wasted energy that we may address in the future.

5.0 Nick F. Huntington, NY
7/20/2023

We would like to give a 5 star rating to Austin. He is an asset to your company and should be recognized as such. His personality and work ethic are his greatest strengths. He also knows how to work with others which is another reason he should get an additional 5 star also, his crew were amazing workers and all were very nice. We would have no problem recommending them all to our friends and family. Thank you, Nick and Bernadette

5.0 Louis P. Manhasset, NY
5/19/2023

None

5.0 Richard R. Great Neck, NY
3/30/2023

Zaza seal did a blown in insulation project for one of my bathrooms, yesterday. They were punctual, highly professional, and left the area where they did the work looking like it had never been touched, which was great. They cleaned up well, afterwards. The supervisor on the job, Anderson, could not have been nicer or more responsive to my questions.

5.0 Sherman G. Brooklyn, NY
3/21/2023

Awesome people. Very professional and knowledgeable and very clean. They make sure my furniture was covered and protected then also make sure everything was clean after completing the job. Will definitely do business again in the future.

Photos

Zavza Seal, LLC
4
Flooring

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Seal of Approval

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  1. Verify Trade License
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  2. Verify Insurance
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  3. Verification of State Business Filings
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