Koyilo ya aluminiyamu yokhala ndi mitundu imatchedwanso koyilo ya aluminium Pre-Painted.Monga momwe dzinalo likusonyezera, ndikujambula ndi kukongoletsa pamwamba pa gawo lapansi la aluminiyamu.Zomwe zimagwiritsidwa ntchito kwambiri ndi koyilo ya aluminiyamu yokhala ndi utoto wa fluorocarbon ndi koyilo ya aluminiyamu ya polyester yokhala ndi utoto.