Aluminum trim coil is ideal for decorating your home's outside building surfaces such as window and door casings, porch posts, the drip edge and fascia. Haomei trim coil creates a clean, bright finish that withstand the the corroding of harsh weather. It can be easily processed into virtually any shape. For the coating, we have four kinds: PE: about 5~10 years indoor HDPE: 8~15 years indoor or outdoor PVDF: 15-20 years indoor or outdoor FEVE: more than 20 years indoor or outdoor