Basement Waterproofing in New York
Reclaim your basement from water — for good.
Basement Waterproofing
A wet basement isn't just inconvenient — it destroys your home's foundation, causes mold growth, and ruins the potential of your most valuable extra space. Grange uses a systematic approach to identify where water is entering and seal it for good.
- Crack repair and injection sealing
- Interior drainage channel systems
- Exterior waterproofing membranes
- Window well drainage
- Vapor barrier installation
- Mold prevention coatings
Mold Starts Growing Within 48 Hours of Water Intrusion
Standing water and damp walls don't just smell bad — they grow mold colonies that damage your health and your home's air quality. Permanent waterproofing protects both.
How We Get the Job Done Right
Clear, transparent, and respectful of your time and property.
Diagnose the Source
We trace exactly where water enters — cracks, joints, walls, or floor.
Custom Plan
Interior, exterior, or hybrid system — sized to your home's needs.
Install the System
Crack injection, drainage channels, sump coordination, vapor barriers.
Test & Warranty
We test the system under simulated heavy rain before we're done.
Common Questions
Got questions about basement waterproofing in new york? We've answered the most common ones our New York customers ask. Have one not listed? Give us a call.
Ask Us DirectlyBoth have their place. Interior systems are less invasive and great for managing water that's already getting in. Exterior systems are more comprehensive but require excavation. We'll recommend what makes sense for your situation and budget.
Explore More of What We Do
Get a Free Estimate
Have questions about basement waterproofing in new york? Call 347-616-0185 today for a no-obligation quote.