Photo by Jonny Scholes In this Case from the F-Files, large steel components for a new facility being constructed in the U.S. were fabricated, prepared, and coated overseas with an inorganic zinc primer (IOZ). Upon delivery to an inland river port in the U.S., the components were unloaded for additional assembly work and found to have …
The case of…the red rust on a newly applied zinc primer Read More »
Photo By Denna Jones How long does it take for a premature coating failure to occur? The likelihood of failure is high shortly after application: from days to perhaps a year. In this month’s Case from the F-Files, a coating delaminated shortly after installation of the coated assemblies. Repairs were made, and the units went …
Premature coating problems on the standing seam roofs of two school buildings were an eyesore for the community and an issue for the school board that was trying to improve the school’s image. This article describes the site investigation, the forensic laboratory analysis, and what ultimately caused the coating to detach.Embarrassed that the four-year-old roof …
From JPCL, July 2012 In this month’s F-Files, blisters formed in a lining system installed on the interior of a raw water storage tank that was constructed at a new power plant. Because careful quality control and quality assurance inspection measures were taken from the time blast cleaning began through complete curing of the lining system, it …
The Case of Surprise Blistering and Rusting on a New Tank Lining System Read More »
In this month’s Cases from the F-Files, rust spots became evident on the interior roof deck of a newly constructed, unoccupied warehouse. Were the rust spots a result of what was going on inside or outside of the warehouse? Background of the Project As a large warehouse building in the north-east U.S. that was being constructed …
The Case of October Showers Bring November Rust Spots Read More »
Article From Durability + DesignPhoto 1: High-performance factory finishes, such as the fluoropolymer coating applied to the exterior of this library in Arizona, provide a high degree of color and gloss retention.Photo by Timmerman Photography; photo courtesy of PPG Industries Inc. Factory-applied finishes on roof panels, canopies, awnings, and curtain walls offer a superior combination of …
That New-Paint Look: Keys to Formulating a Plan for Restoring Metal Exteriors Read More »