The surface of these PVC-coated steel roofing tiles features a fluororesin coating, which is characterized by its resistance to chemical degradation in acidic or alkaline environments with a pH range of 2 to 12.<\/p>\n
Field data from coastal areas with high salt fog levels show that, ten years after installation, the wall panels exhibit no signs of rust or peeling, and their color retention rate remains above 90 percent. This performance metric far exceeds that of color-coated steel roofing products of the same specifications.<\/p>\n
![\"\u5851\u94a2\u74e6\u9632\u8150\"](\"\/wp-content\/uploads\/2026\/10\/1791164368948_0.jpg\")
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However, the cut edges are a weak point. This is because the edges were already sealed during prefabrication at the factory. However, after secondary cutting is performed on-site, if the cut edges are not recoated with edge sealer, the cut areas will be the first to show signs of chalking and deterioration within two to three years. This is the root cause of many accidents and project failures at construction sites.<\/p>\n
What type of roof tiles should be chosen for a workshop to ensure durability?<\/h2>\n
For environments such as chemical industrial parks and acid washing workshops, we recommend that you prioritize selectingunplasticized polyvinyl chloride (uPVC or rigid PVC)<\/strong>, Why is that?<\/p>\n This is because ordinary color-coated steel roofing sheets will rust through in such harsh environments in just two or three years, leading to leaks; and the subsequent repair costs alone would already exceed the price difference between the materials at the time of purchase. For seafood processing plants or salt chemical plants in coastal areas, the rationale for choosing this material is exactly the same.<\/p>\n When working with a limited budget, PVC roofing tiles can still be a valuable option; however, because they have relatively poor UV resistance, they are not recommended for outdoor environments that are exposed to direct sunlight over long periods of time.<\/p>\n When used in industrial roofing applications, PVC-coated steel roofing tiles do indeed demonstrate superior corrosion resistance; however, the key to this lies primarily in two aspects. The first aspect is to considerFluorocarbon Coating<\/strong>To determine whether this craftsmanship is of high quality and has been done properly, the second key point is to ensure that every cut edge is properly sealed during installation. If you include these two requirements in the contract terms during the procurement and acceptance phase, you\u2019ll have virtually nothing to worry about during subsequent use.<\/p>\n Keywords: Corrosion Protection for PVC-Steel Roofing Tiles<\/p>","protected":false},"excerpt":{"rendered":" Due to their excellent corrosion resistance, PVC-coated steel roofing panels have become the material of choice for factory roofs in the chemical, coastal, and seafood processing industries, significantly extending service life and reducing maintenance costs. Their fluororesin coating remains stable in acidic, alkaline, and salt spray environments, showing no signs of rust or peeling even after ten years\u2014outperforming color-coated steel roofing sheets. However, it is important to note that cut edges are prone to aging; they should be promptly coated with edge-sealing paint to prevent accidents.<\/p>","protected":false},"author":1,"featured_media":3150,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[325],"tags":[386],"class_list":["post-3149","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-386"],"_links":{"self":[{"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/posts\/3149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/comments?post=3149"}],"version-history":[{"count":2,"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/posts\/3149\/revisions"}],"predecessor-version":[{"id":3159,"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/posts\/3149\/revisions\/3159"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/media\/3150"}],"wp:attachment":[{"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/media?parent=3149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/categories?post=3149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gdgaoyi.com\/en\/wp-json\/wp\/v2\/tags?post=3149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}