Blog by DU Water Proofing

Learn the difference between French drains and sump pumps, when each system is needed, and how NJ and PA homeowners can protect basements from water intrusion.

Down Under Waterproofing was recognized among the best foundation repair companies in Princeton, NJ for 2025. Learn what this means for local homeowners.

Bowing brick walls in older homes are often caused by water intrusion, deteriorated mortar, and structural movement. This article explains how star bolts are used to stabilize masonry walls and restore structural integrity in New Jersey and Philadelphia properties.

Spring snowmelt and clay soils create dangerous hydrostatic pressure on NJ and PA foundations. Learn the warning signs — efflorescence, horizontal cracks, sticking doors — and how to protect your home before the heavy rains arrive.