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I currently own a home that already has a metal roof. This is an older home and I am currently looking at having my roof checked out. I have coated myself in the years, but would like to have a professional come and do it this time. It seems to be in good shape, any idea's on how long one would last before needed replacement. If so can you help me locate someone that would come and check it out.
Thankyou
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The coatings used on many of today's metal roofs are extremely lasting and durable. There are warranties on the finishes lasting as long as 50 years.
However, older metal roofs that did not have these coatings can still last a long time if they're properly maintained. When re-painting them, the surface should be cleaned as thoroughly as possible and a primer should be applied before the top coat. Be sure to use a coating that is formulated for repainting metal.
As far as helping you locate someone in your area, please let me know whjere you're located and I will see if I can't point you in an appropriate direction.
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There are many types of coatings available on metal roofs today ranging from wet-applied paint systems to powder-applied paint systems to various aggregate (stone) coatings. In most cases, wet-applied paints are applied before the roof panels are formed and powder and stone coatings are applied after the panels are formed. (Though some powders are applied before the metal is formed.)
The wet-applied and powder paints come in several paint types from polyesters to siliconized polyesters to acrylic emulsions to products that are known as Kynar or Hylar finishes. Many of the quality attributes of these coatings are based upon not only the "type" of paint but also upon the particular type and quality of pigmentation that is used in the paint system. For the most part, the Kynar and Hylar systems carry the strongest warranties against fade and chalk. However, again, pigmentation of the paint plays a major role in performance as well. Generally, ceramic pigments are the best performing but even that statement is a bit incomplete and simplistic.
Therefore, due to the complexity of the issue, there is no simple answer to your question. I am sorry about that. I would suggest inquiring with the product manufacturer as to the quality of the coating system they use and as to what sort of warranty they offer on that coating.
Just a rule of thumb, though, is that, as is the case with most things we buy, generally the cost of the product relative to other products is indicative of the relative quality.
6/24/2001
Isaiah Industries, Inc.
6/24/2001
10/4/2001
Isaiah Industries, Inc.
10/7/2001