SJ Waterproofing LLC

SJ Waterproofing LLC SJ Waterproofing is one of South Jersey's oldest and most reliable Waterproofing Companies. All work is owner supervised. No subcontractors.

With more than 12 decades under our belt, we can correct any type of water problems, interior and/or exterior structural problems using the latest and most modern technology available! There is no salesman, you deal directly with the owner. SJ Waterproofing specializes in Waterproofing, Foundation Repair, Historical Restoration, Basement Windows, Bilco Doors, Mold & Mildew treatment, Termite Repairs, Basement Finishing & Remodeling. Call today to get your free quote!

Teaching the next generation of the SJ Family how to pour concrete. Call us for a free and honest quote on your next con...
05/16/2026

Teaching the next generation of the SJ Family how to pour concrete.
Call us for a free and honest quote on your next concrete project. 856-275-9093

Are your foundation walls cracked and bowed? Shown is one of the few options used to correct a failing foundation wall. ...
05/01/2026

Are your foundation walls cracked and bowed? Shown is one of the few options used to correct a failing foundation wall. 4 inch steel channel is bolted to floor joist over head and concrete is poured at base to lock everything in and prevent further inward movement. Give us a call to get a free and honest estimate on your repair!!
856-275-9093

Pictured: Footings, block foundation, drain system and new concrete floor installed in crawlspace. ...
04/02/2026

Pictured: Footings, block foundation, drain system and new concrete floor installed in crawlspace.
Not pictured: previous owners eroded crawlspace foundation.

Get an honest and professional quote for all of your structural and waterproofing needs.

856-275-9093

Look at the difference sealing the walls, epoxying the floor, and new basement windows can make. Call us for your free q...
03/27/2026

Look at the difference sealing the walls, epoxying the floor, and new basement windows can make.
Call us for your free quote! 856-275-9093

Cross ventilation is a big key factor in keeping your crawlspace dry and mold free. Give us a call for a free quote to g...
03/21/2026

Cross ventilation is a big key factor in keeping your crawlspace dry and mold free. Give us a call for a free quote to get automatic crawl space vents installed at your property.

Repairing leaking block foundation from the exterior. Call SJ Waterproofing for all of your basement, crawl space and fo...
03/20/2026

Repairing leaking block foundation from the exterior. Call SJ Waterproofing for all of your basement, crawl space and foundation needs @ 856-275-9093

11/01/2021

Address

Glassboro, NJ
08028

Opening Hours

Monday 7am - 9pm
Tuesday 7am - 9pm
Wednesday 7am - 9pm
Thursday 7am - 9pm
Friday 7am - 9pm
Saturday 8:30am - 9pm
Sunday 8:30am - 9pm

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