PVC welded waya apapo ti wa ni welded nipa dudu waya, galvanized waya ati ki o gbona galvanized okun waya. Ilẹ ti apapo nilo itọju imi-ọjọ. Lẹhinna kikun PVC lulú lori apapo. Awọn ohun kikọ ti iru apapo yii jẹ ifaramọ to lagbara, aabo ipata, acid ati resistance alkaline, resistance ti ogbo, ti kii dinku, resistance UV, dada didan ati didan.