When you first receive your Corten Steel products they will arrive in an un-weathered or partly weathered condition. Once placed outside the weathering process will begin. Each stage is explained in more detail below, to help you understand where in the process your Corten Steel is, and what to expect next.

See link for image to reference stage numbers below:

http://www.roundwood.com/guide/52_188.aspx

• Stage 1. Freshly manufactured Corten Steel. At this stage the dark oily residue coats the Corten Steel.

• Stage 2. The oily residue is beginning to break down, as the Corten Steel begins to weather.

• Stage 3 & 4. The “Run-Off” stage – This can take around 3-9 months depending on weather and positioning.

• Stage 5 & 6. The final stages of the weathering process. Some “Run-Off” may still occur as the Corten Steels patina develops to a striking more consistent appearance.

What is “Run-Off”?

During the weathering process the Corten Steel produces carbon run off or staining to adjacent materials such as stone or concrete. To reduce this possible staining, some Corten Steel products are supplied with small feet or a stand, lifting the product and preventing direct contact with the flooring material. After the initial reactive period Corten Steel will cure and self-seal with little to no carbon run off. The weathering process of Corten Steel is integral to this product and as such we will not accept any responsibility for damage caused to surrounding materials as a result of carbon run off from Corten Steel products. Please ensure you do not place your product on any surface that may be damaged during the weathering process.


When you first receive your Corten Steel products they will arrive in an un-weathered or partly weathered condition. Once placed outside the weathering process will begin. Each stage is explained in more detail below, to help you understand where in the process your Corten Steel is, and what to expect next.

See link for image to reference stage numbers below:

http://www.roundwood.com/guide/52_188.aspx

• Stage 1. Freshly manufactured Corten Steel. At this stage the dark oily residue coats the Corten Steel.

• Stage 2. The oily residue is beginning to break down, as the Corten Steel begins to weather.

• Stage 3 & 4. The “Run-Off” stage – This can take around 3-9 months depending on weather and positioning.

• Stage 5 & 6. The final stages of the weathering process. Some “Run-Off” may still occur as the Corten Steels patina develops to a striking more consistent appearance.

What is “Run-Off”?

During the weathering process the Corten Steel produces carbon run off or staining to adjacent materials such as stone or concrete. To reduce this possible staining, some Corten Steel products are supplied with small feet or a stand, lifting the product and preventing direct contact with the flooring material. After the initial reactive period Corten Steel will cure and self-seal with little to no carbon run off. The weathering process of Corten Steel is integral to this product and as such we will not accept any responsibility for damage caused to surrounding materials as a result of carbon run off from Corten Steel products. Please ensure you do not place your product on any surface that may be damaged during the weathering process.


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The Corten Steel Weathering Process