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coating failure

The Sky is Falling! Or is it Paint Chips? Failure of a Dry-Fall Coating Applied to the Interior of Previously Painted Metal Decking

This Month’s Case Was Selected From Several Investigations Related To Failures That Occur When Applying Coating To The Underside Of Metal Deck Panels (Fig. 1). This Case Focuses On An Adhesion Failure Of Coatings Applied To Previously Painted Deck Panels. A paint contracting company was hired to apply an epoxy ester dry-fall coating to portions …

The Sky is Falling! Or is it Paint Chips? Failure of a Dry-Fall Coating Applied to the Interior of Previously Painted Metal Decking Read More »

The Case of the Mysterious Hailstones [Premature Coating Failure]

Specification writers, contractors, and coating manufacturers, at one time or another, have been blamed when installed coatings fail to meet service life expectations. However, rarely does the wrath of Mother Nature receive the blame for premature coating failure. In this Cases from the F-Files, an interior roof coating system reportedly failed because of localized impact …

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Coating Failure

Clues to a Coating Failure

A consultant follows the facts to discover why perfectly good, recently applied paint fell from a new steel ceiling and to find the source of the coating failure. It wasn’t like the sky was falling, but when large pieces of paint dropped from the roof deck onto machinery being installed in a newly built manufacturing …

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Metal Roof Repair

Failure Analysis: When Metal Roof Coatings Fail

A variety of coating system choices can be applied to metal roofing, including acrylic, epoxy/polyurethane, and fluoropolymer systems. Specifications frequently call for fluoropolymer coatings, which are considered to offer the best performance in long-term weathering resistance. Roof panels are fabricated from sheet-metal substrates such as steel, galvanized steel, aluminum, and other metals. Galvanized steel (a …

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Repair The Building Before You Repair The Paint

When the paint on the exterior of a building exhibits heavy fading, chalking, or peeling, the typical solution is to clean and overcoat, but painting alone may not achieve the desired result, and in fact, it may be destined to fail. Because a number of building-related issues can affect the performance of the coating system, …

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Roof Coating Failure

Case Study: Roof Coatings Flunk Out

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 …

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SPF coatings

Formula for Success: With SPF Applications, Quality Assurance is King

  KTA-Tator Inc. Spray polyurethane Foam (SPF) has played a key role in restoration programs for the dome and exterior of New Orleans’ Superdome. Business Wire A combination of economic drivers and technical advances has driven the development of an expanded array of solutions for roofing systems and energy-efficiency improvements in commercial buildings. Depending on …

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That New-Paint Look: Keys to Formulating a Plan for Restoring Metal Exteriors

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 …

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