Down Under Waterproofing

About Down Under Waterproofing

Down Under Waterproofing is listed here as a basement waterproofing and crawl space company serving the East Windsor Township area, New Jersey.

Its website, duwaterproofing.com, names foundation inspection, foundation crack repair, foundation settlement repair, foundation underpinning, pier and beam foundation repair and crawl space foundation repair. The quotes below link to the page where each one appears, so you can check them.

Its website says it has been in business since 2006.

Service area on its website: Mercer County, Central New Jersey, the Jersey Shore region.

Opening hours on Google Maps: Monday to Saturday 7 am–7 pm; closed Sunday.

Foundation services

• Foundation inspection
• Foundation crack repair
• Foundation settlement repair
• Foundation underpinning
• Pier and beam foundation repair
• Crawl space foundation repair
• Bowing basement wall repair
• Foundation waterproofing
• Crawl space encapsulation

What Down Under Waterproofing says on its website

• Foundation inspectionYou should schedule a foundation inspection if you notice horizontal cracks, stair-step cracks, bowed basement walls, widening concrete cracks, uneven floors, sticking doors, water entering through foundation…duwaterproofing.com
• Foundation crack repairInterior and exterior waterproofing, French drains, sump pump systems, wall seepage repair, cove joint leaks, foundation crack repair, and drainage improvements for wet basementsduwaterproofing.com
• Foundation settlement repair · Foundation underpinningBasement Underpinning NJ & Foundation Stabilizationduwaterproofing.com
• Pier and beam foundation repair…repair, concrete repair, stucco repair, retaining wall repair, above-grade waterproofing, Bilco door services, historic home structural restoration, sill plate repair, and construction restoration throughout Mercer,…duwaterproofing.com
• Crawl space foundation repair…and older homes, including sill plate replacement, floor leveling, termite damage repair, rotted wood replacement, support columns, beams, girders, floor joists, basement entryways, Bilco doors, and related…duwaterproofing.com
• Bowing basement wall repairRepair and stabilization for foundation cracks, bowed walls, block wall movement, poured concrete cracks, settlement signs, basement floor leaks, underpinning-related concerns, and structural moisture damageduwaterproofing.com
• Foundation waterproofingBasement Waterproofing NJ | Foundation Repair | Down Underduwaterproofing.com
• Crawl space encapsulationCrawl Space Encapsulationduwaterproofing.com

Quoted from its website, read in October 2026.

Inspections, warranty and payment

• Free estimateFree Estimate duwaterproofing.com
• WarrantyQualifying waterproofed areas carry a lifetime transferable warranty, provided the waterproofing system is not altered or tampered with and subject to the written warranty terms duwaterproofing.com
• FinancingFinancing Options duwaterproofing.com

What its website says (October 2026). Ask for the warranty in writing and read what it covers before signing.

Opening hours

As listed on Google Maps (July 2026). Call before visiting – hours change.