Why use compaction and permeation grouting?
Compaction and permeation grouting are used when soils are poor and unstable. The process is used to increase the density and load bearing capacity of the soil.
Permeation Grouting
Permeation grouting is a process that injects single-component polyurethane grout into the ground. The polyurethane grout absorbs into the soil, expands and solidifies. Permeation grouting is applied through thin metal pipes that can be driven into the ground at depths of four or five feet. If additional depth is needed, other methods are used to inject the grout.
Permeation grouting is often used when there is uncontrolled water drainage, such as bulkheads or seawalls. The grout itself is moisture activated so it is ideal for wet environments.
Compaction Grouting
Compaction grouting, also called deep injection, is a process that injects plural component polyurethane grout into the ground. Unlike permeation grouting, compaction grouting does not absorb into the soil. Since it doesn’t absorb into the soil, compaction grouting is best used under foundations, structures and concrete slabs with a known compaction problem underneath them. Compaction grouting is also spot injected to stop leaks behind basement walls and other areas with a targeted leak.
Compaction grouting is an ideal solution where loss of support has occurred but settling is not significant but is not to the point of needing to be raised substantially. Compaction grouting can be used to re-support pole barn/buildings, homes, outbuildings, and other structures. If your structure has settled to a significant extent and needs to be raised substantially, we can assist you with one of our foundation repair services.
Why Choose Idaho Concrete Lifting?
Idaho Concrete Lifting is the leading expert in polyurethane grouting, serving Southern Idaho and Eastern Oregon longer than anyone else. Our proven methods and expertise ensure long-lasting results, and we also offer piering services when grouting isn’t the best solution.
We use only top-quality, safe materials, including hydrophobic and NSF-ANSI 61 polyurethanes, which are approved for use in and around potable water.
Trust the experts for durable, reliable concrete solutions! Contact Idaho Concrete Lifting today at (208) 912-0027!
FAQs
- What is the difference between compaction grouting and permeation grouting?
Permeation grouting uses moisture-activated polyurethane that absorbs into the soil to stabilize wet or loose ground, while compaction grouting involves injecting polyurethane that does not absorb, but instead compacts and reinforces the soil beneath foundations and structures.
- When should permeation grouting be used?
Permeation grouting is ideal for wet environments and areas with uncontrolled water drainage, such as around bulkheads or seawalls. It stabilizes loose soils by absorbing and expanding within them.
- What situations call for compaction grouting?
Compaction grouting is best for stabilizing soil beneath buildings, pole barns, slabs, and structures with known compaction issues. It’s also used to stop leaks behind basement walls or reinforce areas without major settlement.
- How deep can grouting be applied?
Grouting is typically applied at depths of four to five feet using metal injection pipes. For deeper needs, specialized methods are used to inject grout at the required depth.
- Is the grout safe for use around water?
Yes. Idaho Concrete Lifting uses hydrophobic, NSF-ANSI 61 polyurethane grouts, which are approved for use near potable water and are safe for both residential and commercial applications.