---
title: Repairing Water Filled Voids
description: Water filled voids can be filled with AP Lift 475, designed to work in wet conditions. It offers a powerful solution that is traffic ready in 15 minutes.
---

[Alchatek Infrastructure Repair Blog: Polyurethane Leak Seal Injection, Soil Stabilization, Concrete Leveling ](https://info.alchatek.com/blog)

# [Repairing Water Filled Voids](https://info.alchatek.com/blog/repairing-water-filled-voids)

 Written by [Andy Powell](https://info.alchatek.com/blog/author/andy-powell) | Jan 30, 2017 4:30:00 PM

As a technical consultant I am able to document significant repairs in action while advising customers on on polyurethane application. In this case we were dealing with a water filled void.

Water filed voids can be filled with two component polymer foam designed to work in wet conditions. [AP 475 foam](http://www.alchemypolymers.com/soil-stabilization-products/high-density-polyurethane-foam-ap-475/) will cure to 90% full strength in 15 minutes. Polyurethane foam conforms to void shape more accurately than cement grout, and - unlike cement - it doesn't shrink or sink over time.

Take a look at the video to see for yourself...

  

### Want more in-depth info on our products?

[View full post](https://info.alchatek.com/blog/repairing-water-filled-voids)

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