30-year-old apartment refurbishment ... "Don't break the cold water pipe"? By the way?

https://www.zincheng.com.tw/he65.htm

A netizen recently bought the 4th floor of a 30-year-old apartment and intends to take it away after refurbishment. The problems that have been found include leaking indoor hot water pipes, living room wall cancer, and raised floor tiles, so the floor, walls, and two All the bathrooms had to be redone. He wanted to say that since the heat exchange pipes were all needed, the cold water pipes were simply replaced together. "Otherwise, if I live in the back for 5 years, it ’s not more troublesome to replace the cold water pipes." But the master of water and electricity insisted If it is not bad, there is no need to change, which makes him quite embarrassed. ►Super cool DER! I earn 2188 The original PO stated in "mobile01" that since both the wall and floor must be destroyed and redone, it is better to take this opportunity to replace the old cold water pipes with new ones. After communicating with the water and electricity master 2 times, the other party finally agreed to replace the cold water pipes But "If you really insist on changing, you just go down the balcony from the top floor to the balcony and then enter the interior wall, so there won't be any tubes in the room." ▲ ▼ Water pipes, old pipes, pipe networks. (Picture / CFP) ▲ Most netizens suggest that if you want to redo, it is better to do open tube. (Schematic / CFP) The water pipe was also changed from the original PVC plastic material to white iron pipe. However, the original PO was worried that the water pipe that was originally buried in the wall will be replaced by the sun and rain on the outer wall, and it will become a risk of rust. "Will you find yourself bitter?" For this reason, again dilemma, so PO Wen asked netizens, should we replace the bad cold water pipe? Do I have to redo the pipes when I replace the indoor cold water pipes? The netizens who left a message are divided into two groups. One group suggested that "the hot water pipe should be replaced, and the cold water pipe should be changed by the way. Don't think that there is no leak and do not need to change. Of course, do it together! "" A 30-year-old apartment must be refurbished, and the floor should have to be dug up and re-paved with tiles, electrical wires ... water pipes together! " ►The latest real estate news is not missing, quickly join the ETtoday real estate cloud However, another group of netizens think that it is not necessary to replace it if it is not broken. "I agree with the suggestion of the master, do not replace the cold water pipe. Even if you want to change by the way, you only need to change the indoor part. If you want to change the outside part, because you will pass through the residents upstairs, you can only walk on the exterior wall. " Some netizens who also live in the old apartment revealed that when he renovated the 38-year-old house, he only had to replace the hot water pipes. At the beginning, the master of water and electricity told him that there was no problem with cold water pipes. Open pipe, "The cold water pipe pipeline is more complicated. It should not be small to fully bury the buried pipe project. Generally, open pipes are more convenient for future maintenance."