It's hard to imagine the days when new painted aluminum siding created an overwhelming market for painted aluminum windows and doors, but that was the case in the early and mid 1960s. The need for painted window and door components (to replace satin anodized) was truly the original driving impetus for the painted aluminum extrusion market we now experience. The earliest systems manufactured in the U.S. varied greatly from the systems the industry now uses. The evolution of the aluminum extrusion coating line is one of adaptation and necessity. Let us take a look at how the industry has evolved around the constantly changing market.
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