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Polyurea ‘Loose’ Liners: A Band Aid or Excessively Cracked Concrete

Upon installation of a typical thin film coating system, extensive dynamic cracking was discovered in concrete chemical secondary containment structures. After multiple failed attempts to repair cracks using standard coating products, the decision was made to proceed with equipment installation in hopes of maintaining schedule while the coating details could be evaluated. 

Product Number: 41213-764-SG
Author: Kristin Leonard
Publication Date: 2013
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$20.00

Upon installation of a typical thin film coating system, extensive dynamic cracking was discovered in concrete chemical secondary containment structures. After multiple failed attempts to repair cracks using standard coating products, the decision was made to proceed with equipment installation in hopes of maintaining schedule while the coating details could be evaluated. With this additional hurdle, the challenge was made to develop a coating system that delivered chemical resistance while acting as a “band aid” over the damaged concrete to provide 100% containment. After evaluating various options, a polyurea/ geotextile liner was selected on a trial basis due to the system’s flexible and chemical resistant properties as well as the relatively swift installation time.

Upon installation of a typical thin film coating system, extensive dynamic cracking was discovered in concrete chemical secondary containment structures. After multiple failed attempts to repair cracks using standard coating products, the decision was made to proceed with equipment installation in hopes of maintaining schedule while the coating details could be evaluated. With this additional hurdle, the challenge was made to develop a coating system that delivered chemical resistance while acting as a “band aid” over the damaged concrete to provide 100% containment. After evaluating various options, a polyurea/ geotextile liner was selected on a trial basis due to the system’s flexible and chemical resistant properties as well as the relatively swift installation time.

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