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While the coatings on commercial buildings may be less sophisticated than those used on industrial structures, the contractors face challenges that in many ways are equal to or greater than their industrial counterparts.
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Many people ask what is the difference in painting a CMU Block Building versus a concrete tilt wall building? And why is it the preferred building type of the big box stores? First, we must understand the real difference in construction of the two building types, to better understand the types of coating systems that work best on the specific substrates to be coated.
The installation of linings to large diameter cooling pipes and penstocks is a major investment in hydroelectric and other power plants. The application should be performed in an expedient manner to minimize outage time and should last for many years (20 years or more) without the need for maintenance painting.
Coatings are widely used for highway steel bridges exposed to aggressive environments to extend their service life. Even with the continuous development of coating technologies, steel bridges remain susceptible to corrosion deterioration. Periodic maintenance, that may include coating repair, is required for long term bridge serviceability. Selection of compatible repair coating materials and appropriate preparation of the steel surface are critical parameters for corrosion protection.
Marine coating systems installed aboard commercial and military vessels are exposed to extremely aggressive environmental conditions during maritime operation. A key element in prolonging the useful life of any ship, both commercial and military, lies in the selection and installation of cost-effective corrosion control methods and materials at newbuild.
Protective coatings are used in anaerobic digesters to achieve both corrosion protection and gas tightness. With respect to the need for corrosion protection, anaerobic digesters, under typical operating conditions, do not create exposures which are corrosive to either carbon steel or concrete substrates. This paper will explain the basics of how anaerobic digesters work chemically to stabilize biosolids and demonstrate the atypical operating conditions under which corrosion becomes problematic.
The theoretical framework shown here includes a spreadsheet tool designed to accommodate all unique inputs and accounts for the time-value of money. It offers several output options, including the equivalent uniform annual cost, to aid decision makers in selecting coating systems.
The use of passive intumescent fireproofing solutions to meet life & safety goals for commercial structures continues to grow in number annually. More often facility owners are required to incorporate fire proofing protection for up to three hours in order to assure the safe departure of individuals inside the given building in the event of an emergency.
Many challenges face today's coatings specifiers in selecting high performance coatings and linings. New formulations are being developed to meet changing performance needs and also future VOC requirements. Evaluation of these "new" coatings and linings can be difficult. It is the purpose of this paper to look at past, current and future coating evaluation methods in order to develop a testing protocol that can be used to assist in the selection of high performance coatings and linings for wastewater environments.
Update to “Expected Service Life and Cost Considerations for Maintenance and New Construction Protective Coating Work” - NACE Corrosion 2008. Assists the coatings engineer in identifying candidate protective coating systems for specific industrial environments.
Major manufacturers of protective coatings, steel fabricators, painting contractors, galvanizers, and end users, were surveyed to identify surface preparation and coating application costs, coating material costs, typical industrial environments and available generic coatings for use within those environments, and expected coating service lives (practical maintenance time).