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(Concrete) My “Poly” Has Bubbles: The Continued Challenge of Pinholes & Bugholes with Thick-Film Co

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With coating and lining of concrete, while it may seem like a simple, novel task, there are always challenges. Even though concrete may be one of the largest construction materials used today, it is a complex structural matrix that can be ever changing even in a single placement. The need for coating concrete to either waterproof, or extend the life of the structure is not new to our industry. 

Product Number: 35-COAT_DEC21
Author: Dudley J. Primeaux II
Publication Date: 2021
Industry: Coatings
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$20.00
$20.00

With coating and lining of concrete, while it may seem like a simple, novel task, there are always challenges. Even though concrete may be one of the largest construction materials used today, it is a complex structural matrix that can be ever changing even in a single placement. The need for coating concrete to either waterproof, or extend the life of the structure is not new to our industry. However, there seems to still be misunderstandings related to problems that may be encountered during application work with high-solids, thick-film, thermoset coating systems. This specifically relates to many of the new-comers to this industry, and this “new” challenge being faced. The use of thick-film coating systems, and the presence of pinholing and bug hole issues during installation will be addressed by first understanding what is occurring and by use of simple, industry standards and techniques.

With coating and lining of concrete, while it may seem like a simple, novel task, there are always challenges. Even though concrete may be one of the largest construction materials used today, it is a complex structural matrix that can be ever changing even in a single placement. The need for coating concrete to either waterproof, or extend the life of the structure is not new to our industry. However, there seems to still be misunderstandings related to problems that may be encountered during application work with high-solids, thick-film, thermoset coating systems. This specifically relates to many of the new-comers to this industry, and this “new” challenge being faced. The use of thick-film coating systems, and the presence of pinholing and bug hole issues during installation will be addressed by first understanding what is occurring and by use of simple, industry standards and techniques.

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(Concrete) Choosing the Correct Technology for Lining Concrete

Product Number: 36-COAT_DEC21
Author: Brian Huffman
Publication Date: 2021
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The author will present on the various generic coatings technologies available for lining concrete and discuss the advantages and disadvantages of each one. Discussion will include epoxy, polyurethane and polyurea technologies. The goal of the presentation will be to provide some guidance to the attendees on when is the right application to select each technology as part of a specification.
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(Concrete) Relevant Testing When Coating Concrete Tanks and Structure

Product Number: 37-COAT_DEC21
Author: John Sierzega
Publication Date: 2021
$20.00

Inspection has always been a hot topic when it comes to coatings projects. There are some substrates that can be harder to specify due to not knowing without knowing which testing is relevant to specify and properly inspect the substrate and surface after it is coated. Concrete is probably the number one substrate that is confusing. This paper will dive into the testing that is relevant when specifying coatings for concrete tanks and structures. Whether it is how to properly check film build or whether or not an ASTM test is relevant, this paper will clear the waters and make specifying coatings for concrete tanks and structures easier.
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(Coating Application, Types & Characteristics) Use of Duplex Coating Systems for Protection of Structural Steel

Product Number: 15-COAT_DEC21
Author: William D. Corbett
Publication Date: 2021
$20.00

The use of duplex coating systems (hot dip galvanizing or thermal spray coating with one or more liquid-applied coatings) for long term protection of structural steel is becoming more mainstream in many industries. This paper describes the advantages of employing duplex coating systems as well as some important considerations for designers prior to specifying their use. It also highlights an ongoing initiative to help agencies more efficiently and effectively use duplex coatings on steel bridges by developing guidelines, standards, and other materials.
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