PVC welded waya ntupu na-welded site na nwa waya, galvanized waya na na-ekpo ọkụ galvanized waya. N'elu ntupu chọrọ sọlfọ ọgwụgwọ. Mgbe ahụ eserese PVC ntụ ntụ na ntupu. The odide nke ụdị ntupu bụ ike adhesion, corrosion nchebe, acid na alkaline eguzogide, ịka nká na-eguzogide, na-adịghị agwụ agwụ, UV-eguzogide, ezigbo elu na-egbuke egbuke.