Why don't you use galvanized pipes now?

The country has banned the use of galvanized pipes as water pipes in buildings, because galvanized pipes will be in a few years, the inner pipe wall will rust because of corrosion, so it has been banned for about 5 or 6 years, it is prohibited to use galvanized pipes in residential buildings. And galvanized pipe has sand holes, water leakage and other problems.

However, there are also galvanized pipes to make the surface layer, the interior is stainless steel water pipe, the price is high, so it is recommended to use PPR, but to pick better, PPR is now the most good and bad pipe species, the construction technology (heat melting) requirements are relatively high, it is recommended to buy a good brand, so that the supplier of construction personnel will not be too bad. (such as Pirsa, Weishubao, etc.)

In addition, there are aluminum plastic pipes can also choose, it is not recommended to use PVC pipe (and galvanized pipe is similar, there are reports that PVC pipe is toxic), copper pipe is the best.

In terms of price, copper pipe is the most expensive, followed by good PPR pipe and ordinary PPR pipe, followed by aluminum plastic pipe, slightly lower, because the water pipe is domestic