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Case Study: Basement Waterproofing, Mold Remediation, Structural Support, and Garage Drainage Repair in Huntington, NY
Basement waterproofing and mold remediation project in Huntington NY with structural column replacement, garage drainage improvements, and restored basement walls.

Project Overview

A homeowner in Huntington, NY contacted Zavza Seal after experiencing water damage, mold growth, deteriorated wall finishes, drainage issues in the garage, and a damaged structural support column. Multiple areas of the home required repair to prevent further moisture problems and restore a safe living environment.

The Problem

Water intrusion had damaged sections of two exterior basement walls, causing deterioration of drywall and insulation. Moisture exposure also created conditions for mold growth in the laundry room.

The garage had poor drainage, allowing water to collect on the floor during heavy rain. In addition, a damaged support column in the garage was no longer providing the level of structural support needed for long-term stability.

Several wall surfaces, trim sections, and floor finishes throughout the affected areas also required repair and restoration.

Our Solution

Our team developed a complete waterproofing, structural repair, and mold remediation plan to address every issue.

Basement Wall Waterproofing and Reconstruction

We removed the damaged drywall from two exterior walls and cleaned the exposed foundation surfaces. To stop future moisture penetration, we applied a 6,000 PSI waterproofing cement coating directly to the foundation walls.

After waterproofing was completed, we rebuilt the wall system using pressure-treated framing, new 2×4 studs, and R13 fiberglass insulation. New drywall was installed, taped, compounded, sanded, and painted to restore a finished appearance.

Garage Drainage Improvement

To eliminate standing water issues, we installed a new garage floor drywell system. Our crew cut into the concrete floor, excavated a drainage pit, installed compacted gravel, and placed a stormwater pit drain with a galvanized steel grate.

This new drainage system allows water to flow away from the garage floor and helps reduce future moisture problems.

Structural Column Replacement

The existing damaged column was removed and replaced with a new concrete-filled steel support column installed on the existing footing.

Steel plates were secured at the top and bottom of the column to create a strong and permanent structural support system. After installation, the surrounding concrete floor was repaired and finished flush with the existing garage slab.

Laundry Room Mold Remediation and Restoration

The laundry room showed signs of previous moisture exposure and mold growth. We removed damaged materials, cleaned affected surfaces, and applied mold treatment and preventive products throughout the area.

A liquid vapor barrier was applied to exposed foundation surfaces before installing mold-resistant drywall. Additional damaged drywall sections were replaced, gaps and defects were repaired, and missing soffit sections were reconstructed.

We also treated wall base areas, installed mold-resistant underlayment, reinstalled flooring supplied by the homeowner, and completed the project with new wood baseboard trim.

The Result

The homeowner now has a dry, waterproofed basement, improved garage drainage, a permanent structural support system, and a restored laundry room free from visible mold damage.

By addressing the source of the moisture problems and repairing the affected structural and finished surfaces, Zavza Seal delivered a long-lasting solution that improved the safety, durability, and value of the home.

Why Homeowners in Huntington Choose Zavza Seal?

  • Basement waterproofing specialists
  • Mold remediation and moisture control solutions
  • Structural column replacement and support repairs
  • Garage drainage and drywell installation
  • Foundation repair and restoration experts
  • Professional interior reconstruction services

If your home is experiencing water intrusion, mold growth, structural concerns, or drainage issues, Zavza Seal provides complete repair solutions throughout Huntington, NY and Long Island.

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