The metal chicken runs are designed to be used outdoors for years to come. However, we recommend that you check the run regularly for signs of corrosion, especially if you live somewhere with extreme weather conditions or close to the sea. Corrosion will occur if the coating has been scratched or scraped for example. If you do see some, remove any loose rust and touch up with a weather resistant paint.
If you have covers on your run and experience heavy snowfall it's advised you clear the snow off the roof to avoid the panels being damaged from the weight.