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Pool Construction
CONSTRUCTION 212: Pool Surfaces – Problem & Solutions

Learning Objectives

  • Identify the importance of understanding the properties of Common Pool Chemicals.
  • Discuss basic Start-up and Maintenance practices that help preserve the cosmetic surface.
  • Review the importance of the Langelier Saturation Index and the NPC LSI App.


There is a reoccurring issue of cementitious pool surfaces within our industry. Industry expert, Randy Dukes will provide you with visual issues of the more predominant discolorations, degradation, delamination, and startup issues happening. Randy will review surface preparations for both new construction and remodeling with plausible prevention of bond failure issues discussion. Additional topics will include sound technical surface application procedures, specific water balance targets and maintenance procedures.

Time/ Credits

1:50 hrs
Randy Dukes

Technical Sales Director, CL Industries, Inc. in Orlando, FL
(727) 595-6509

  • Author of Pool Surfaces, Problems, and Solutions, now in its 7th edition
Randy Dukes

Dukes is regarded as one of the foremost authorities in the pool plaster industry relating to deterioration, discoloration, and staining phenomenon that are commonly associated with cement-based pool coatings. He has served as a moderator and keynote speaker for many of the National Plasterers Conventions starting in 1992 and has instructed courses on "The Science of Cementitious Pool Finishes, Startups, and Maintenance." Dukes has spent a considerable amount of time traveling throughout the U.S. researching and identifying pool surface problems and their relationship to application, water chemistry, and chemical abuse.