Western Rooter & Plumbing has been dominating the market in the Copper & PEX repiping. We have been through extensive training on all of the new PEX piping materials along with Copper. We have been providing the Greater Los Angeles area with great Pricing in PEX & Copper. I am going to share some links with you guys so you can check out the difference between Copper & PEX. I recently just did a PEX job at a condo and they saved about $1,800 instead of using copper. They are very happy with the results. Here are some great links for everyone to look at .