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The Tri-State Area's Trusted Waterproofing Service


When you are looking for a waterproofing company to ensure moisture stays out, there is no room for cutting corners. You need quality service that will provide durable and effective waterproofing. LJS Waterproofing, LLC offers chemical grout injection that blocks moisture, and we are the top waterproofing specialist serving residential and commercial clients in the Tri-State area. Our company is licensed, bonded and insured, and our project managers have over 20 years of experience, so you can expect excellent results when you call us. We also provide free estimates to potential clients.

LJS Waterproofing LLC specializes in:

All areas where water infiltration may be an issue on your project
  • Chemical grout injection 
  • Soil stabilization​
  • Void filling​
  • Epoxy injection
  • Epoxy floor coverings​
  • Sea walls/retaining walls
  • Locks and dams​
  • Spalled concrete repair
  • Concrete Raising
  • Curtain Wall Grouting
  • ​Parking Garages
  • ​Leaking Dams
  • Pipe Penetrations
  • ​Slab Stabilization
  • ​Utility Vaults
  • ​Leaking Elevator Pits
  • ​Pressure Grouting
  • Acrylate Injection
  • Moisture Barriers
  • Leaking Tiebacks
  • ​Leaking Conduits
  • ​Box Culverts
  • Tunnels
  • ​Manholes
  • ​Masonry Water Repellents