Modern architectural zinc is specified today for wall cladding, roofing, rain management, and architectural details. It can be fabricated into a variety of panel styles, sizes, and shapes. Today’s zinc material options also offer different colours and coatings.
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Completion of a reroofing project at Vancouver’s historic Christ Church Cathedral marks the culmination of a massive four-phase, 22-year renovation plan.
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The continuous hot-dip coating process for steel sheet products—like the door on the left—is widely used and employed in all corners of the globe. Most users of continuously hot-dip coated zinc-coated steel sheet (i.e. galvanize) think of it as a product with a bright, silvery metallic sheen.
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This article examines some of the advantages, characteristics, and cladding choices that ‘zinc’ (or, more accurately, architectural rolled zinc) offers the built environment. The material is a mixture of titanium, zinc, and copper; essentially, it is an engineered, non-ferrous metal alloy of high-grade zinc.
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As more owners and design/construction professionals look toward constructing steel bridges that can last a century, it is imperative to evaluate the corrosion protection systems used to ensure these structures meet the long design life without significant deterioration, and without significant cost.
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The purpose of an accelerated corrosion test is to duplicate the field corrosion performance of a building material in the laboratory. This provides scientists and engineers with a means of quickly developing new products. For many years, the salt spray test has been used extensively for this purpose by researchers in the evaluation of new metallic coatings, paint coatings, types of chemical treatments, and paint pretreatments for use with metallic-coated steel sheet products.
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