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How long can we reasonably expect the paint to last on a galvanized steel roof (Steel Tile Co. in Ontario)? Their coating system is DuraFlex (custom hybrid silicone polyester ceramic system - SMP). We plan on installing "bright red" on our log home.
Also, do we need to go up every 2 years or so and re-tighten the screws? Thank you.
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I'm not familiar with Steel Tile Co., but silicone polyester ceramic is a very common paint system.
It isn't quite as good as advanced as Kynar 500, but is still a good finish. Some siliconized paints are better than others
I would ask about their fade and chalk warranties. The actual panels should last at least 40-50 years, and in most cases should fade only a small amount over a period of 20-30 years.
You should not have to retighten your screws every 2 years. Unless you use extremely thin decking, screw into treated lumber, or go over shingles with screws that are too short and barely go through the shingles into the wood.
Provided that these are not the case, and you use quality screws, you should not need to retighten them for a long period of time, if at all.
After 20-25 years or so it's not a bad idea to inspect the screws, tightening or replacing some if needed. (If you're worried about it you could always inspect them more often.)
3/30/2009
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Or copy this URL: https://www.metalroofing.com/spirit/comment/13043/find/Isaiah Industries, Inc.
4/5/2009
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