Good durability with special coating, the warranty of the color coated steel is 10-15years; lifespan of the panels can be up to 35 years with spray-painting antirust on the steel sheet every 10 years.
ທົນທານດີທີ່ມີການເຄືອບພິເສດ, ການຮັບປະກັນຂອງເຫຼັກສີເຄືອບແມ່ນ 10-15years; ອາຍຸຂອງຫມູ່ຄະນະຈະໄດ້ປະມານ 35 ປີທີ່ມີ antirust ສີດສີຢູ່ໃນເຈ້ຍໃບເຫຼັກໃນທຸກໆ 10 ປີ.