The Problem: Water Leaking Into Basement Through Old Chimney Vent
A homeowner in Holtsville, NY contacted Zavza Seal after noticing water leaking into their basement during rainstorms. Upon assessment, our team discovered that the water was entering through an old chimney vent located on the exterior foundation wall.
When the chimney had been removed years earlier, the vent opening was never properly sealed and waterproofed. Over time, this oversight allowed water to penetrate the foundation, threatening the integrity of the basement and creating a risk of mold growth and structural damage. The homeowner needed a permanent fix to stop the leaks and protect the basement from further water intrusion.
The Solution: Professional Foundation Wall Repair and Waterproofing
Zavza Seal, a trusted name in foundation waterproofing and repair in Holtsville and Long Island, developed a comprehensive plan to address the chimney vent issue and ensure the basement stayed dry.
Our Step-by-Step Approach:
- Concrete Removal
We started by breaking and disposing of the existing concrete in the affected area to fully expose the foundation wall and access the vent opening. - Excavation for Coverage
To ensure a durable repair, we excavated one foot in each direction of the vent to reveal a larger portion of the foundation for proper sealing and waterproofing. - Surface Preparation
We thoroughly cleaned and steel-brushed the exposed foundation wall, removing any dirt, debris, and loose material to create a solid surface for adhesion. - Sealing the Vent
Our team filled the vent with high-strength mortar, leveling it flush with the surrounding foundation wall to eliminate the pathway for water. - Applying Liquid Rubber Waterproofing
Next, we applied a liquid rubber waterproofing coating to cover the entire exposed surface. This created a flexible, seamless barrier against water penetration. - Installing Waterproofing Membrane
We added a waterproofing membrane on top of the liquid rubber, sloping it approximately 30 degrees from the wall to the ground. This slope helps direct water away from the foundation. - Adding a Pressure Relief System
Finally, we installed a pressure relief system at the base of the membrane to relieve hydrostatic pressure and provide long-term protection from water infiltration.
The Outcome
Our methodical and effective solution ensured that the foundation wall was properly sealed and waterproofed, preventing water from entering the basement through the old chimney vent. The homeowner in Holtsville was relieved to have a dry, protected basement and peace of mind even during heavy rain.
Why Choose Zavza Seal for Foundation Waterproofing in Holtsville, NY?
At Zavza Seal, we understand that even small vulnerabilities in your foundation can lead to big problems. Our expertise in foundation wall repair, basement waterproofing, and leak prevention ensures your home stays safe and dry for years to come.
If you’re experiencing similar water issues in Holtsville or anywhere on Long Island, contact us today for a professional inspection and long-lasting solution.