The protective oxidation layer that forms on Weathering Steel is the attractive feature that makes it so desirable as a roofing material. Once the layer is formed, special alloy elements in the material greatly slow down further oxidation, adding to the long life of the metal.
Unlike painted roofing material which will fade over time or become scratched or require re-painting, Sierra Steeltiles’ oxide layer is self-sealing and self-healing. Any scratches are quickly protected with a new oxide coating.
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