Proudly serving all of Florida with offices in Tampa, Orlando, and Fort Myers

Compaction Grouting

Compaction Grouting for Sinkhole Repair & Soil Stabilization

Compaction grouting is a proven method for repairing sinkholes and stabilizing loose or weak soils beneath Florida structures. By injecting a thick grout mixture under high pressure, voids are filled, soil particles are compacted, and the limestone surface is sealed — creating a dense, stable foundation layer.

For homes, businesses, and pre-construction projects, Helicon’s compaction grouting provides permanent protection against sinkholes and settlement.

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What Is Compaction Grouting?

Compaction grouting is a soil improvement and sinkhole repair method that works by injecting a dense grout mixture into the ground. Unlike chemical grouts or foams that permeate soil, compaction grout pushes directly into loose soils, filling voids and compressing surrounding material to restore strength.

This process not only fills dangerous underground cavities but also creates a hardened grout mass that caps and seals the limestone surface, preventing water infiltration that often leads to further sinkhole activity.

How Helicon’s Compaction Grouting System Works

  • Injection pipes are drilled at precise angles using specialized compact drilling equipment
  • A dense grout mixture is injected under high pressure into voids and loose soils
  • Grout displaces and compacts soil, strengthening weak zones and sealing cavities in the limestone
  • Structural movement and injection pressures are carefully monitored during the process
  • Upon completion, all injection pipes are raised and removed, leaving a dense, stable foundation

Foundation RepairBuilt on TrustSince 2004!

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HELICON PR 2015 LOGO® long YELLOW 2
Helicon4.9
Based on 422 reviews
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Lisa H.
2 days ago
Mitch, Jonathan, and everyone at Helicon did a great job fortifying our pool deck. From start to finish their professionalism, communication, and excellent customer service was phenomenal. I would recommend them to anyone who needs assistance with their foundation or pool deck.
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Tom H.
3 days ago
Great service and going the extra mile to inform me during the process.
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Stoney W.
4 days ago
DJ and Al B were kind and courteous fellas that took care of business working on my seawall.. Their work seems thorough, professional and effective. time will tell.
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Kathy S.
5 days ago
Everything about Helicon's service was top-drawer, from the initial estimate and consultation right up to the grout injection. Everything was explained to me clearly, including different cost options, and they were honest about what I needed and didn't I don't need. The work was finished in less than half a day, which was much faster than I expected, but Ray took me around the house to show me everything they had done. I am highly pleased with this exceptional service and the employees I met, and I would definitely recommend Helicon to anyone in need of foundation repair.
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Steve M.
7 days ago
As a GC we were given a complex project in a mechanical room for a county project in Miami Dade. We interviewed several companies. Helicon came out and performed the project after hours, with highly trained supervision, operators and knowledge of the chemical injection process. I would definitely use them again. We did perform our own dewatering to assist them but this company is a standout. The billing was fair, the work was excellent. Thank you
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Paul S.
1 week ago
Great job! The crew was very professional and Doug (the engineer/salesman) was great as well!
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Joanne H.
1 week ago
Great efficient service - wish all companies were this easy to deal with. Everyone turned up when they said they would and the process was well explained. Easy to recommend Helicon!!
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Eric M.
3 weeks ago
Very responsive. Arrived and completed on time. Great work!
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Darrin
3 weeks ago
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Patricia D.
3 weeks ago
I can say with confidence that Helicon (Jay Silver) will honor their lifetime guarantee. Great to know that my foundation work is safe and if an issue or concern arises, the company will listen and address promptly.

Thank you Jan for your hard work to lift my patio slab, the door now closes correctly and slab is lifted.
Thank you also to Jay Silver, who has worked with me to address my concerns. I appreciate Jay's commitment to uphold company policy regarding guarantee of work. He has been responsive and extremely helpful.
Thank you Jay Silver
Patricia Dioguardi
UPDATE.. I received a call from Jay Silver (Helicon owner) 2 weeks ago. He was following up with me regarding the piers that were replaced last year. I was very pleasantly surprised to receive this call.
I had been planning to call Helicon but didn't get around to it.
I voiced some concerns about some areas in my back patio. None of the initial exterior cracks have reappeared, great news.
Mr. Silver; upon hearing my concern. immediately said he would schedule the structional engineer..wow
that's great customer service..

UPDATE......2024 January.
Helicon, after report findings from their Structural engineer..agreed to replace 5 helical piers with push piers. Felix and his crew completed the job. They actually explained everything as they were working.
A great team Felix!
There are still 6 original helical piers in place....am I 100% confident about them??
Only time will tell...that is why I will not update my original rating just yet. We will continue to monitor for the next few months.

Advantages of Compaction Grouting with Helicon

Compaction grouting is one of the most reliable solutions for sinkhole remediation and soil stabilization in Florida’s karst geology. With Helicon’s expertise, you gain peace of mind and permanent protection.

Micropile Structural Support

Repairs Sinkholes Permanently

Fills underground voids, compacts loose soils, and caps the limestone surface to prevent future collapse.

soil stabilization for foundation repairs

Strengthens Weak or Loose Soils

Creates a dense, stable mass capable of supporting heavy structural loads.

Micropile Structural Support

Seals Against Water Infiltration

Hardened grout prevents water from seeping into bedrock joints, fissures, and cracks.

soil stabilization for foundation repairs

Delivers Long-Lasting Ground Improvement

Provides durable soil stabilization designed to support structures for decades.

Price Match Guarantee

Common Permeation Grout Applications

Helicon’s permeation polyurethane grouting is used across Florida for both structural and environmental stabilization projects, including:

compaction grout house

Home Foundations

Stabilizes residential homes impacted by sinkhole activity or weak soils.

compaction retail 1 1 scaled

Commercial Buildings

Provides deep stabilization for offices, retail spaces, and large structures on karst ground.

compaction pre construction logo 2 scaled

Pre-Construction Projects

Strengthens soil before building to prevent settlement or sinkhole risk in future structures.

compaction field logo 1 scaled

Sinkholes in Fields or Open Land

Repairs and stabilizes sinkholes before they can expand into a greater hazard.

Request Your Free Inspection

Our Florida-based foundation experts will assess your home, identify any issues, and provide honest recommendations—at no cost and with no pressure to commit.

FREE INSPECTION REQUEST

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