Email: info@LJSwaterproofing.com

License #13VH08860400


Quality workmanship and customer satisfaction is our top priority.

Pioneers in the use of chemical grouting technologies, water control, acrylate injection, and pressure grouting.

Welcome LJS Waterproofing

LJS is skilled in meeting the needs of the general contractor – from providing competitive bid proposals to professional project management and exceptional field supervision. Our seamless management process involves the owner of the company, the estimators and the project superintendents in ensuring that projects run smoothly.


LJS Waterproofing

We are a chemical grout injection waterproofing company. We have over 60 years of combined experience in the waterproofing industry. We have completed many successful projects for Property Managers, DEP Plants, New York City MTA and General Contractors up and down the East Coast. We specialize in chemical grout injection, acrylate injection, soil stabilization, moisture barriers, void filling, epoxy injection, epoxy floor coverings, pipe penetrations, leaking conduits, spalled concrete repair, leaking elevator pits, manholes and all areas where water infiltration may be an issue on your project.

LJS Environmental Drilling Services

LJS specializes in drilling services using effective and environmentally-responible apparatus. Our clientele includes engineering and environmental consulting firms, insurance agencies, manufacturing firms, public utilities, federal, state and local government agencies, and independent business owners. Our team of licensed drillers are fully trained to complete any project within your time frame and budget.

LJS Environmental Drilling Photo



Acrylate Injection

Polyurethane Grout Injection

Curtain Grouting

Epoxy Injection

Pressure Grouting

Membrane Waterproofing

Epoxy Coatings

Masonry Water Repellents

Spall Concrete Repair



The LJS Residential Waterproofing divison is coming soon. Stay tuned.