Waterproofing and Insulation Services

Waterproofing Basements

Attic Insulation

Foundation Crack Repair

Waterproofing Parking Structures

Got a wet basement?

Need your foundation waterproofed?

Looking to insulate your home or business?

Need your concrete crack repaired?

We Got You Covered!

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We Build Trust

Zavza Seal is an experienced general contracting firm with a passion for delivering excellence. Serving Long Island communities including Suffolk, Nassau, Brooklyn, and Queens. We are a one-stop shop construction company that specializes in waterproofing, and insulation along with foundation waterproofing services.

If you are considering any type of solution for foundation waterproofing or insulation services, we are here to help and can provide valuable, time-saving advice.

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Our Expertise Includes:

Waterproofing Services

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Insulation Services

  • Batt Insulation
  • Rolled or Reflective Insulation
  • Blown In Insulation
  • Spray Foam Insulation
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Testimonials

5 Stars

Annette Casatelli

I received a few quotes to get the walls in my home filled in with blown in insulation. Zavza Seal was affordable and they did an excellent job.

They were very concerned with cleaning up, which I appreciated. I felt the difference in my home immediately. No more freezing cold walls. I recommend them, hands down.

4_5_stars

Noemi Herles

Our experience with Savza Seal was wonderful and smooth. The crew is well organized. They listen to your plans. They showed out in time. They left everything clean. They did an amazing job! I highly recommend this company.

4_5_stars

Ellen Szuchmacher

Efficient, courteous and responsible workers. The job was quoted as being completed in 2 days but more work was required and they returned on the 3rd day and completed the job without additional charges. They reinsulated my crawlspace (not an easy job). I recommend Zavza Seal without reservation.

4_5_stars

Michael Rutigliano

Couldn’t be more satisfied with the job Zavza Seal did. Brendan and Jake were accommodating, fair and extremely knowledgeable. Their team worked incredibly hard that day under difficult conditions and did a great job. I manage a multi-unit HOA and we will definitely be using them again.
Zavzaseal Parking Lot Insulation Installation Company Review