Vinyl siding was produced commercially in the 1930s. The techniques used for mixing it with plasticizers became known. And PVC emerged as the substitute for rubber. During the World War II, PVC pipe for water supply systems were developed by German scientists when material shortages limited conventional pipe supplies. In the early 1960s, vinyl siding…
https://funtriviaguru.wordpress.com/2015/05/27/fascinating-facts-about-vinyl-siding/
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