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Basement Waterproofing Done Right!

Zavza Seal LLC – Long Island NY:

Zavza Seal is a locally-owned & operated basement waterproofing service provider in Astoria communities with a wealth of experience. Our specialty includes:

✅ High-Quality Products
✅ Cost Effective
✅ Trusted and Reliable
✅ 20+ Years of Experience
✅ Insured and Licensed
✅ 30 Years of Warranty
✅ 5 Star Service
✅ 100% Customer Satisfaction

Call us now for a FREE ESTIMATE. (631) 980-1800.

Zip code: NY 11101.

Our trust and reviews

Satisfied Customer Stories

Hear what our clients are saying about our services:

Gregory Paragh

basement five star service
“They complete the work to the specification they outlined or better, for a very reasonable price which they are willing to work with you on. Good people and great work.”


basement five star service
“The Zavza sealing company arrived promptly. The crew leader did an overview of the Job. Upon completion of the Job, The entire area was cleaned, and anything moved was replaced. Thanks for a great Job.”

Mike Delafraz

basement five star service
I was hesitant to accept their proposal since it was the best one! However, they arrived on time and were knowledgeable, respectful, and clean. Did more than expected and paid attention to any minor details. They even came an extra day to complete everything and ensure the Job was done to my 1000% Satisfaction.

Common Causes of Basement Water Leakage in Astoria

Basement water leakage is a prevalent issue that plagues many homeowners, causing damage to their properties and posing potential health risks. Understanding the common causes of basement water leakage is crucial for effective mitigation.

  1. Poor exterior drainage: Inadequate slope or faulty gutter systems can result in water pooling around the foundation, leading to water seepage into the basement.
  2. Cracks in foundation walls: Foundation cracks can develop over time due to soil settlement, freeze-thaw cycles, or structural issues, allowing water to infiltrate the basement.
  3. Faulty or clogged downspouts: If downspouts are not properly directed away from the foundation or become clogged with debris, water can accumulate and penetrate the basement walls.
  4. Insufficient or damaged waterproofing: Aging or poorly installed basement waterproofing Astoria systems may fail to provide adequate protection against water intrusion.
  5. Inadequate window well drainage: Improperly designed or poorly maintained window wells can allow water to accumulate, increasing the risk of basement leaks.
    Hydrostatic pressure: High water table levels or excessive groundwater can exert pressure on the basement walls, leading to water penetration.
  6. Plumbing leaks: Leaking pipes or plumbing fixtures in the basement can introduce water into the space, causing dampness and potential water damage.
  7. Sump pump failure: A malfunctioning or overwhelmed sump pump can result in water accumulation in the basement during periods of heavy rainfall or flooding.

To address these basement water leakage issues, homeowners should consider professional basement waterproofing Astoria services. A comprehensive solution may involve exterior waterproofing measures such as proper grading, installation of French drains, and the application of waterproof coatings on foundation walls. Interior solutions like installing a sump pump system, repairing foundation cracks, and ensuring proper ventilation can also be beneficial. It is crucial to consult with experienced waterproofing specialists to assess the specific needs of your basement and implement appropriate solutions.

By addressing the root causes of basement water leakage, homeowners can safeguard their properties, protect their investments, and create a healthier living environment free from the detrimental effects of water damage and mold growth.