French Drain vs Sump Pump: Which Do You Need?
Homeowners often ask: do I need a French drain, a sump pump, or both? Here is the honest answer.
What a French Drain Does
A French drain is a channel that collects and redirects water. It is passive and moves water using gravity. On its own it handles yard drainage and minor foundation water issues.
What a Sump Pump Does
A sump pump is active. It pumps water out of your home using a motor. It sits in a sump pit and kicks on automatically when water reaches a certain level.
Why You Usually Need Both
An interior French drain collects water from your basement perimeter and channels it to the sump pit. The sump pump then ejects that water outside. They work as a system. One without the other leaves gaps in protection.
- French drain alone: water collects but has nowhere to go
- Sump pump alone: no way to collect water from the perimeter
The Combined System
Most NJ waterproofing contractors install both together as an integrated system. This is the most reliable long-term solution for a wet basement in Northern NJ.
Cost of Combined System in NJ
A combined interior French drain plus sump pump system in NJ costs $4,000 to $9,000 for most homes. A worthwhile investment to protect your foundation.
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