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With rafters already uo, our builder has asked us if we really want a metal roof ( that is what we had originally spec'd).
He says that there could be a problem with rust where at the point that the screws and washers go through the metal. He also said there is a good chance for water to build up where metal sections come together.
We are about 2 miles from the coast in a windy, rainy location. What should we know about using metal as opposed to asphalt in this environment? If we did stick with the metal, what can we do to assure the fewest problems over the next 20 years?
Brian Kasperek
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Make sure that it is a Galvalume or Aluminum substrate and that it haas a long lasting finish on it such as Kynar 500 or granular coated. Make sure they use long lasting fasteners such as stainless steel or a concealed fastener panel. When they install it make sure that they do not power cut the metal but use snips and that all exposed edges are folded back on themself so that the edge is not exposed. (side lapes in vertial rib are coated in the production process).
Make sure you have balanced ventilation and that all scratches are touched up on completion. Then inspect the roof ever couple of years and you should be fine.
10/31/2004
Or copy this URL: https://www.metalroofing.com/spirit/comment/4517/find/Dura-Loc Roofing Systems, Inc.
11/1/2004
Or copy this URL: https://www.metalroofing.com/spirit/comment/4518/find/