PEX tubing has many advantages over copper, lead, PVC plastic, and iron pipes. It is quickly starting to replace other piping in plumbing applications. If you are installing radiant heat flooring, building or remodeling your home, or upgrading your current plumbing, you will probably see this type of tubing used.
It is manufactured from a high-density polymer, which is incredibly strong and flexible. This is why it is so popular for use with radiant heat flooring. It can be bent at right angles without needing a elbow connector. It also resists crushing and crimping. You can see how this flexibility would make it preferable to rigid pipes for almost any application.
There are other advantages to its flexible nature. Because it can be make in a continuous roll, it costs less to produce, store and ship. The installation job itself also will cost less because there are few connections. This means less labor and less time to get it installed.
There is also an environmental advantage to using this type of tubing. Other types of plumbing require acidic flux and lead solder to make the connections. PEX pipe does not require any flux or solder, so there is no toxic chemicals or lead leached into the water or soil. There is also minimal heat loss with this tubing, which conserves energy.
Another positive thing about PEX plumbing is that fewer connections means fewer places where the plumbing can develop leaks. This can save the homeowner a lot of hassle and expense down the line. Money is saved on both plumbing repairs, and possible costly repairs of the damage caused by any leaks within the walls or foundation.
Because polymer tubing like this allows a small amount of oxygen to escape through the material, you will need a special kind of tubing for radiant heat floors. This is because the flooring material can react with the oxygen and cause corrosion of the floor. There are a couple oxygen-barrier types of PEX plumbing materials on the market. Be sure your contractor is using one of these types for any flooring or walkways.
So for your next construction project, definitely look into the advantages of PEX tubing. Chances are it will be less expensive, both to purchase and install, than rigid pipes. You will also greatly reduce the risk of costly problems later on.
