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PEX Plumbing

Updated on November 21, 2012

PEX Plumbing

PEX Plumbing Kit
PEX Plumbing Kit

What is PEX Plumbing?

What is PEX or PEX Plumbing? It is also known as polyethylene (PE) or simply known as Plastic. Today, virtually all industries across the globe use plastic for one form or another, however, one industry that’s gaining a special attention here is the plumbing industry. PE is usually a mixture of similar organic compounds.

Among the many different classifications of Polyethylene, we will be focusing our attention on the Cross-linked polyethylene (PEX or XLPE).

PEX Roll
PEX Roll

Types Of PEX:

There are three types of PEX, knowingly as A, B and C.

The B and C are known as cross linked after extrusion; however, they are made with lower percentage of cross links.

The type A is also cross linked as it is extruded but , this type is made with higher percentage of cross links, which means that this one has more flexibility to it and the first two types.

PEX Plumbing
PEX Plumbing

How Is PEX Being Used Today?

PEX is a very popular technology and it has widely been used in PEX plumbing industry and one sector that gains special attention is the water department. It is used in potable-water and non-potable water plumbing systems.

PEX is used in internal and external residential plumbing, it is also used commercial and industrial settings also.

It is used by public and private organizations, since the simplest of the projects to the most complex ones.

It comes in various sizes and forms, since the smallest of the sizes up to several feet in diameters.

Why PEX Is The Best Option?

Due to the water impurities and harmful contaminants, Copper and Galvanized pipes will quickly start corroding and start degradation while, it has been proven by the experts that PEX can last well over 100 years.

PEX is not a new technology, it has been around for 30 years in the market, which means that, it has been tested and approved by millions of customers.

PEX is well known and used worldwide. It is known that nearly 6 billion feet has been sold and it’s in service worldwide today.

PEX material can be expanded to fit over a metal nipple and it will slowly return to its original shape forming a permanent water-tight connection.

Pex Tubing, We Have The Best Price!
Pex Tubing, We Have The Best Price! | Source

Advantage of PEX Plumbing:

Flexible PEX tube is manufactured by extrusion, and shipped and stored on spools. PEX is lighter that rigid pipes which means that you will save money in shipping and handling costs.

PEX plumbing installation requires fewer fittings than rigid piping, which reduces the chances of possible leakage.

PEX tube to fittings does not require soldering which is the case of copper piping. Solder is lead-based and acid fluxes and both are hazardous to our health.

It is more resistant, cheaper, easier and safer to install. PEX is even more resistant to freeze-brakeage than rigid pipes.

It resists the scale build-up common with copper and galvanized pipes; it doesn’t pit or corrode when exposed to acidic water, a common problem found in copper or galvanized pipes.

Copper piping systems has the famous “water-hammer” noise, however, water flows in PEX piping run much more quietly which virtually eliminates such noise.

The installation cost of a PEX plumbing system is a lot cheaper that other piping systems, due to less time consumption to complete the task.


PEX Plumbing has become one of the top choices plumbing materials used among plumbers worldwide. It is more resistant than other plumbing pipes available in the market today.

It is a flexible plastic, which means that, it can be used in long length of it without the need of as many fittings as other plumbing pipes would need.

It is a much cheaper material when comparing the cost of other similar products.

It won’t corrode or damage as the time goes on. It doesn’t required soldering while some of the other ones do.

In conclusion, PEX is the better option in all senses and comparisons; it will save money not only for the plumbing companies but, for their customers as well.


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