Wet Areas

Sump Waterproofing

Stop seepage in and out of underground sumps, including fuel and industrial sumps.

Overview

The pressure of stored water can weaken sump walls over time. This happens in industrial and fuel sumps too. We have specialised technology for this problem.

A sump faces water from both sides: the stored water pushing out and groundwater pushing in. If either gets through, you lose water or let contaminated groundwater in.

We treat sumps with crystalline waterproofing that grows into the concrete, plus injection grouting at construction joints and pipe entries.

Protection against inflow and outflow: 2-way
Leaks stopped under pressure: Active
Industrial-grade options: Fuel

How the job runs.

Step 1
Dewater
Pump out and inspect walls, floor and joints.
Step 2
Inject
Pressure grout active leaks and joints.
Step 3
Crystalline coat
Penetrating coat that seals capillaries.
Step 4
Verify
Fill and check levels over 24 hours.

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