---
title: Stabilizing a House with AP 475
description: Stabilizing a House with AP 475. Voids underneath a structure can result in damage. Installation of AP 475 foam secures structures and prevents damage.
---

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

# [Stabilizing a House with AP 475](https://info.alchatek.com/blog/stabilizing-a-house-with-ap-475)

 Written by [Andy Powell](https://info.alchatek.com/blog/author/andy-powell) | Apr 26, 2017 4:51:22 PM

Eroded soil and voids underneath a structure can result in settlement and damage to the structure. These dangerous voids can be filled with high strength polyurethane foam that supports up to 14,000 pounds per square foot. In this video, Stabilizing a House with AP 475, you'll see the back half of a residence resting on nothing but its frame and thin air. Installation of [AP 475](http://www.alchemy-spetec.com/soil-stabilization-products/high-density-polyurethane-foam-ap-475/) foam secures the structure and prevents potentially catastrophic damage. (AP 475 can also be used for lifting if the unstable soil has already caused the slab to sink.)

Watch the video below...

For more videos like this, be sure to subscribe to the **[Alchemy-Spetec YouTube channel](https://www.youtube.com/user/alchemypolymers/feed).**

### Want more in-depth info on slab stabilization and lifting?

[View full post](https://info.alchatek.com/blog/stabilizing-a-house-with-ap-475)

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