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Soy Based Concrete Sealant Extends Roadway Life Expectancy In South Dakota

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SIOUX FALLS, S.D., U.S.A. -Using ecologically friendly, farmer-grown soy-based sealant, the South Dakota Soybean Research & Promotion Council (SDSRPC) collaborated with the City of Sioux Falls to construct longer-lasting roads.

The weather of South Dakota makes it difficult to keep concrete roads in good condition. PoreShield is a soy-based product that can help with this problem. PoreShield is a soy-based concrete sealant that has been developed with financing from the Soybean Checkoff. It has been shown to provide protection against water, freezing and thawing, and salt, extending the life of concrete by more than five times over conventional sealants.


On September 9, the South Dakota Soybean Checkoff provided funding for the spraying of PoreShield on the new construction on Marion Road, which began at the intersection of Madison Street and continued north.

We’re always looking for new, innovative ways to improve roadways in our community, especially when we can use bio-based products,” said Nick Rezac, Engineer for the City of Sioux Falls. “The application was fairly simple and will bring great value for years to come.”

For every 60-pound bushel of soybeans, there are approximately 12.4 pounds of soybean oil in that bushel.
A total of 7.7 lbs of soybean oil (in the form of Soy Methyl Ester) is contained in each gallon of PoreShield.
PoreShield requires approximately 200 bushels of soybeans per mile of highway junction, on average.


Besides road and bridge maintenance, PoreShield has been used on patios and walkways at universities, the sidewalks of a fire station, and hundreds of driveways. It can also be used in a variety of other construction and architectural projects, including parking lots and garages, curbing, buildings, dams, and pipelines.

SDSRPC Chairman Tim Ostrem commented on the benefit of bringing soy-based products to the community, “We value partnerships with the communities we all work and live in.” Ostrem said, “Opportunities where we can bring quality products to our communities and drive demand of soybeans for our farmers are a win-win for everyone.”

Dedicated to increasing demand for soybeans through market development, research, and promotion, the South Dakota Soybean Checkoff is a nonprofit organization. Visit for more information on the South Dakota Soybean Checkoff, and follow SD Soybean on Facebook and Twitter for the latest updates.

PoreShield can be found at, which provides additional information. A copy of the report can be found here


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