Journal
MATERIALS
Volume 14, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/ma14133719
Keywords
coatings; concrete; durability
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The increasing demand for reconstructions of concrete structures and the wide availability of surface protective products on the market have raised concerns about misunderstandings in decision making. This article presents the use of surface protectors in concrete restoration and characterizes seven different commercial coatings for reinforced-concrete structures, considering their chemical nature, fields of use, and effectiveness in enhancing durability.
The increasing demand for reconstructions of concrete structures and the wide availability on the market of surface protective products and systems could lead to misunderstandings in the decision of the most effective solution. Surface protectors have become increasingly widespread in recent years in concrete restoration interventions thanks to their properties: they are able to protect the substrate from aggressive agents and consequently extend the useful life of the structures. The aim of this article is first of all to present the surface protective treatments available on the market, outlining their strengths and weaknesses. Subsequently, a characterization of seven different commercial coatings for reinforced-concrete structures is provided, taking into account chemical nature, fields of use and effectiveness, both in terms of physic and elastic performance and resistance to aggressive agents that undermine the durability of the treated concrete elements.
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