Pipes made of copper, steel, PVC, PEX and other plastics are all susceptible to freezing, with copper being the most vulnerable to ruptures when frozen. PEX, PVC and other plastics will freeze but ...

2.How Does Insulated PEX Pipe Work? In winter, Water inside the pipe remains warm while preventing you from freezing. In summer, water stays cooler for a longer time by improving efficiency of the ...