Would you rather spend 20K on a roof that would last 40 years in the right conditions, or would you rather spend 18.5K-19K on the same roof and get about half the lifespan? This is the real question here. I am amazed that we sell a relatively equal amount of both products. Corten steel costs an additional thirty to fifty cents per square foot over cold-rolled roofing. If you have a typical 30 SQ roof that equates to $ 1,000 to $ 1,500 additional for your project. At first glance, this may seem like a lot of extra money.
When you look at the final cost of your roof, including underlayment, fasteners, trim, and labor; it actually is a very modest increase. Corten has a Substantially longer lifespan than bare steel. Corten contains copper, chromium, manganese, and nickel, which makes it a more expensive material. Corten resists corrosive effects from rain, snow, ice, fog, and other weather conditions by forming a coating of dark brown oxidation over the metal, preventing deeper penetration and eliminating the need for painting and rust-prevention maintenance.
It will last longer and will be more desirable in harsh climates. Ask for the mill certifications if you buy Corten, as it does not look different from bare steel. Ensure you are getting what you paid for. If the price seems too good to be true, then it probably is.
Corten steel, or weathering steel, is renowned for its distinctive appearance and naturally oxidized finish. Although the material is low-maintenance once the protective coating has been applied, getting to that point might not be as easy.
In order to undergo the natural oxidation process, also called patination, it requires a certain environment. The steel will appear rusted very quickly, but the process typically takes 2-3 years to complete. The wrong environment, however, will prevent the rust layer from becoming stable.
If you want to avoid this happening, make sure your property is located in a climate that is compatible with Corten.
The panel’s surface develops a gorgeous rustic finish and texture after installation and exposure to normal weather conditions. Copper, chromium, manganese, and nickel make CorTen more expensive. Rain, snow, ice, fog, and other meteorological conditions do not corrode Cor-ten due to the coating of dark brown oxidation that forms on the surface, which inhibits deeper penetration and eliminates the need for costly rust-prevention maintenance over the years.
Corten would last longer and be more suitable for harsh climates. The harshest climates include environments with salt exposure and climates where the material will be frequently wet. Bare Cold Rolled is a less expensive option if you do not live in a harsh climate.
Various roofing manufacturers have been referred to as the “Cadillac of Roofing.” Depending on your opinion of the manufacturer, this comparison could be less than flattering. Metal roofs are not a specific product, but rather a wide range of products.
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