SJ Waterproofing is one of South Jersey's oldest and most reliable Waterproofing Companies. SJ Waterproofing Guarantees a Dry Basement. All work is owner supervised. There is no salesman, you deal directly with the owner. No subcontractors. SJ Waterproofing handles Inside & Outside Waterproofing. All types of Foundation Repairs. SJ Waterproofing specializes in Historical Restoration. Expert installation of Basement Windows & Bilco Doors. Mold & Mildew treatment, Termite Repairs, Basement Finishing & Remodeling. Call Today.