Masu shukar ƙarfe na Corten suna buƙatar SPA-H weathering karfe (ba fenti na yau da kullun ba), kaurin bango 2-3mm, da ramukan magudanar ruwa mai kyau don hana tushen ruɓe. Sayi daga masana'antun da ke ba da takaddun shaida, CAD gyare-gyare, da marufi na katako mai daraja na fitarwa. AHL Group yana ba da jigilar kayayyaki na duniya tare da ƙwarewar 20+ shekaru. A guji arha kwaikwayo masu lalacewa a cikin shekaru 2. Don baranda, lambuna, ko shimfidar wurare na kasuwanci, ba da fifiko ga ƙarewar da aka riga aka yi tsatsa da ginshiƙai masu tasowa don hana tabon bene. Nemi zane kafin yin oda.