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Case Study: Concrete Slab Waterproofing in Long Beach, NY
Concrete slab after waterproofing and restoration work in Long Beach, NY.

Town/Neighborhood: Long Beach
Borough/County: Nassau County, Long Island
Construction Type: Residential
Category: Concrete Waterproofing, Slab Repair, Surface Protection


Problem

A homeowner in Long Beach, NY, contacted Zavza Seal LLC to address a deteriorating concrete slab measuring approximately 30 inches by 30 inches. Over time, exposure to moisture, salt air, and changing weather conditions had caused the surface to weaken and lose its protective layer. Loose and foreign materials were present on the slab, leaving it vulnerable to further water penetration and structural degradation.

The client’s main concern was preventing moisture from seeping deeper into the concrete, which could lead to cracks, spalling, or other costly damage. They wanted a long-lasting waterproofing solution that would restore the slab’s integrity and provide strong resistance against the harsh coastal environment.


Solution

To protect and restore the slab, our team performed the following steps:

  • Surface Preparation: We ground the subject area to remove all loose and foreign materials, ensuring a clean, bare concrete surface ready for proper bonding.
  • First Layer Waterproofing: We applied a 3,800 PSI waterproofing mortar across the prepared slab surface, creating a durable base layer with strong adhesion.
  • Final Waterproofing Layer: To complete the process, we applied a layer of 6,000 PSI waterproofing cement, offering maximum durability and resistance to moisture, salt, and weather exposure.

This multi-layer application provided both structural reinforcement and an impermeable barrier to protect against water infiltration.


Concrete slab after waterproofing and restoration work in Long Beach, NY. before and after

Results

The Long Beach homeowner now has a reinforced and fully waterproofed concrete slab capable of withstanding the demanding coastal climate. The smooth, sealed finish ensures that water cannot penetrate the surface, preventing future damage and extending the lifespan of the slab.

By combining expert surface preparation with high-strength waterproofing materials, Zavza Seal LLC delivered a lasting solution that enhances both durability and appearance.


Why Choose Zavza Seal LLC for Concrete Waterproofing in Long Beach, NY?

Zavza Seal LLC specializes in protecting concrete structures from moisture damage, especially in areas like Long Beach where salt air and weather exposure can accelerate deterioration. Our use of high-strength waterproofing cement and mortar ensures reliable, long-term performance. Whether you need slab restoration, surface sealing, or foundation waterproofing, we tailor our methods to meet your property’s needs.


If you need professional concrete slab waterproofing in Long Beach or anywhere in Nassau County, contact Zavza Seal LLC today for an expert evaluation.

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