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HDPE Sewer Pipes


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Harts Plumbers, Electricians, & HVAC Technicians

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HDPE is one of the most common materials used in a sewer repair. HDPE stands for “High-Density Polyethylene” and is a type of plastic polymer that is commonly employed for many uses. This extremely durable plastic is used from everything from food packaging to plumbing and sewer repair. While production of High-Density Polyethylene began in the year 1900, it was not used for commercial applications until 1953 when the British used this type of plastic to insulate their radar cables.

It wasn’t until 1955 that the very first HDPE pipes were manufactured. Since then the pipes have been used for sewer lines, agricultural and industrial plumbing, and in potable water applications for cold water lines. While HDPE works well for cold water lines, this material cannot be used for hot water. Typically in buildings where HDPE is used for plumbing lines, PEX is used for the hot water lines.


There are many advantages that HDPE can offer over other materials. To name a couple of examples, HDPE pipe is corrosion resistant in addition to naturally inhibiting the growth of certain organisms. This material also offers smooth water flow as it is resistant to the buildup of scale and lime deposits.

HDPE is an extremely flexible material, and because of this can be used in an extremely wide variety of spaces and environmental conditions. One especially interesting thing about HDPE pipe is that it is resistant to the natural shifting of soil. This makes it perfect for underground applications, even in earthquake-prone areas.

Another convenient thing about HDPE pipe is that it does not require fittings. Instead, it can be fused together to any desired length through the application of heat to create joints and seams that are leak and root resistant. If other materials need to be connected to HDPE pipe, this can be accomplished through the use of stab fittings or mechanical fittings.

Of course, the best part of HDPE pipe is that it can be installed trenchlessly which makes for extremely convenient sewer repairs, and replacements. Trenchless sewer repair is much more environmentally friendly, in addition to requiring less labor and time. You can learn more about Trenchless sewer repair by visiting the “Trenchless Sewer Repair” section of our website.


Although HDPE piping is a fantastic choice for many applications, there are a few things to take into consideration. The primary disadvantage that high-density polyethylene poses is stress cracking. While in most conditions HDPE is extremely durable, the presence of alcohol, certain detergents, and other chemicals can cause the plastic to prematurely break down.

In addition, HDPE may have a negative effect on potable water as it passes through the pipes. Companies are not required to list the chemicals used in production of these types of pipes, and said chemicals may be prone to leaching into the water. If you have concerns about the quality of your water, it is recommended that you have it tested.

If you have any more questions about HDPE, or are wondering if it may be right for you feel free to give us a call at (253) 331-1206 or click here to request an appointment, and we will have a technician out to you in no time!

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Harts Plumbers, Electricians, & HVAC Technicians

We’re a local company proudly providing affordable sewer and pipe repairs, installations, and maintenance to help make our community a more comfortable place for all.


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