Weather Modernity Essay

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Helping Historic Buildings to Weather Modernity For several decades, USPS Fort Worth was subjected to an elevated portion of Interstate Highway I-30 constructed parallel to the building’s Lancaster Street frontage. This portion of the highway was eventually demolished and relocated to an area one block south of the site. By then, the damage to the post office was already done—and extensive. Carbon staining, usually dark brown, gray or black, is a typical result of repeated exposure to automobile traffic. The original, stain-causing pollutant may have been created by the current or past burning of fossil fuels (coal, oil, gasoline, etc.), which leaves a sticky, water-resistant film over the face of the substrate. Airborne pollutants…show more content…
With each project, we build on a foundation of experience, innovation, and expertise developed over time. The first-ever building restoration cleaning in the United States happened in 1956, when PROSOCO devised a technique for cleaning the delicate terra cotta surface of the Mountain States Telephone Building in Denver, CO. Restorative work at USPS Fort Worth included a low-pressure spray cleaning of all exterior surfaces (steps and walls), abatement, re-cleaning, and new paint for all exterior windows. Dallas based Brown Reynolds Watford Architects (BRW)3 teamed with PROSOCO on identifying the most appropriate and effective cleaning and restorative treatments to address the post office’s specific challenges. They decided on a multi-step process involving Sure Klean products containing alkaline agents capable of a precise, targeted application. Other restorative work conducted by BRW included crack repair to the exterior limestone cladding, replacement and replication of numerous historical medallions, replacement of glazing for the original globe light fixtures, repair of damaged brick, and painting of all miscellaneous metal surfaces. The exterior steel windows also required cleaning, preparation, re-glazing, and re-painting. (subsection word count: 396/497) Righting a Past Wrong: Sandblasting Many states have banned all forms of abrasive grit-blasting for
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