Rusty Roof, Over and Over Again?

Sometimes you can do everything to protect your metal roof against the corrosion, yet with no success. You use only the quality products, your roof is insulated very properly with the right insulation materials, you use just the right ridge and soffits vents and inpregnate your metal roofing regularly with just the right chemicals. And still, over and over again, you experience some parts of your roof are corroding.

If you found some similarities between the