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Need your foundation waterproofed?
Looking to insulate your home or business?
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Zavza Seal stands as a seasoned general contracting firm driven by a commitment to excellence, dedicated to serving the vibrant communities of Long Island, encompassing Suffolk, Nassau, Brooklyn, and Queens. As a comprehensive construction powerhouse, our expertise spans waterproofing, insulation, mold remediation, and foundation waterproofing services.
Should you be grappling with water-related issues such as flooding, moisture intrusion, mold proliferation, or foundation seepage, our expert team is at your service, armed with effective waterproofing solutions.
Moreover, our proficiency extends to insulation solutions. By embracing cutting-edge insulation techniques, we ensure your comfort throughout the seasons, allowing you to slash energy expenses while maintaining a cozy ambiance indoors.
Look no further than Zavza Seal LLC – a name synonymous with trust for all your waterproofing and insulation requisites.
Envisioning Excellence
We strive to evolve into the premier preference for both homeowners and commercial enterprises. Our aim: to furnish unparalleled insulation, waterproofing, and mold remediation services. Armed with eco-friendly, state-of-the-art materials, our pledge to exceptional customer service underscores our quest for open communication, satisfaction, and affordable excellence.
Our Unwavering Mission
Our mission is rooted in delivering unmatched waterproofing, insulation, and mold remediation services to our valued clientele – homeowners and businesses alike. We stake our reputation on a trifecta of best practices, innovation through environmentally conscious products, and exceptional customer service, all while offering undeniable value. Our devoted team of professionals ensures that every client thrives within a comfortable, healthful environment, all while curbing energy consumption and lessening their ecological footprint.

To become the preferred choice for homeowners and commercial businesses by providing exceptional insulation, waterproofing and mold remediation services. By utilizing high-tech, environmentally friendly materials, and exceptional customer service, we strive to delight our customers and provide stellar service at affordable prices.
To provide unparalleled waterproofing, insulation and mold remediation services to homeowners and commercial customers. We deliver 100% guaranteed customer satisfaction by using best practices, innovative environmentally friendly products, and exceptional customer service at a great value. Our team of dedicated professionals ensures that our customers live in a comfortable, healthy environment while reducing their energy consumption and environmental impact.
Waterproofing Services
- Basement Waterproofing
- French Drain Installation
- Waterproofing Cement
- Sump Pump Installation
- Basement Finishing
- Basement Remodeling
- Foundation Waterproofing
- Crawl Space Waterproofing
- Basement Crack Repair
- Foundation Repair
- Foundation Cracks Repair
- Crawl Space Crack Repair
- Crawl Space Encapsulation
- Egress Window
- Lally Column

Mold Removal & Water Damage Services


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.



