PEX tubing is rapidly beginning to replace all other types of plumbing materials in new construction. This is because it has many huge advantages over traditional materials. If you are planning to build or remodel, install radiant heat floors, or upgrade your current plumbing, you will probably come across this type of tubing.
Because it is made of a high-density polymer, it is very flexible. This means you can bend it around corners without needing an elbow connector. It is strong also, so there is no need to worry about the tubing crushing or crimping. This flexibility is one of the main reasons it is such a popular choice for radiant heat floor installations.
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.
PEX tubing has several environmental advantages. It conserves energy by minimizing heat lost through the material. Plus, other types of plumbing requires the use of solder and flux to make the necessary connections. This leaches lead and acids into the water and and surrounding soil. The fact that PEX pipe requires no flux or solder means there are no dangerous chemicals introduced into the environment.
Another money-saving aspect of PEX plumbing is that it prevents expensive repairs later on. Any time you have to add a connection to a plumbing system, you introduce the possibility of a leak. The cost of repairs to both the plumbing and the secondary damage to floors, walls and the foundation can be huge. The minimal connections required with PEX means lower probability of these problems down the line.
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.
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