What the Experts Say About Raising Concrete with Foam 2017-10-19T16:13:55+00:00

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What the Experts Say About Raising Concrete with Foam

  1. James Warner (Civil Engineer, Guest Lecturer at the School of Mines, and internationally recognized expert in the concrete leveling field), writes in his textbook, Practical Handbook of Grouting: Soil, Rock, and Structures, “However, [there] are several limitations, the greatest of which is probable lack of complete filling of the cavity. Because the injected material [foam] reacts and reaches its maximum volume in increments shortly following injection, significant voids remain after treatment.  This was found to be the case when a bridge approach slab near the Denver airport that had been so treated [with foam] continued to settle and was subsequently removed.  The foam grout was observed to have developed into pedestals at the drill holes, leaving a large portion of the total area untreated. [Warner, James. Practical Handbook of Grouting: Soil; Rock; and Structures. N.p.: n.p., 2004. Print., emphasis added]
  2. What the Manufacturer’s safety sheet has to say about Polyurethane Foam:
    1. Waste is classified as hazardous waste.  Disposal to licensed waste disposal site[s]
    2. Harmful by inhalation
    3. Harmful: danger of serious damage to health by prolonged exposure through inhalation
    4. Suspected of causing cancer
    5. May cause damage to organs through prolonged or repeated exposure
    6. May cause respiratory irritation
    7. [All information taken from “Safety Data Sheet: Polyurethane Foam”, June, 2017 from Electrolube, a division of HK Wentworth LTD; http://docs-europe.electrocomponents.com/webdocs/07c3/0900766b807c383b.pdf]
  3. Several of polyurethane foam’s ingredients, including contaminants toluene diisocyanate, methylene chloride, and hydrogen cyanide, are known neurotoxins as well as carcinogens causing cancer in animals [http://nepis.epa.gov]
  4. Some advertising claims for Spray Polyurethane Foam do not clearly indicate that these products contain hazardous chemicals that have health concerns. [epa.gov/saferchoice/health-concerns- about-spray- polyurethane-foam]

These reasons are why AAA Concrete Raising will never use polyurethane foam to raise your concrete.  We are the only company in Denver with a semi truck, which carries up to twice as much material as our closest competitor, giving us peace of mind that we will always have enough material to fill all of your voids.  We believe this is one reason AAA Concrete Raising has been the #1 concrete raising company in Denver for over 25 years.

To read about our customers’ experiences with foam, visit our Reviews Page by clicking Here.

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Our Clients Agree

“Good people, job well done. They did everything just as they committed. Left the site clean and raised the concrete right to its original position. I will definitely use them again if the need arises.”

Neil P.

“The job was scheduled and completed on time and in a very professional manner. The “mud jacking” really worked, our patio is now level and no water should collect. I would recommend AAA to anyone who wants to save approximately 50% over replacement.”

J.R.
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Ready to get a free estimate? Give us a call.
We are getting ready for another busy season and want to make sure we get your project on our schedule.

We look forward to hearing from you.

(303) 526-2222