I fired him on the spot.
In floor pex tubing problems.
Before opting for pex plumbing you might want to know about the problems associated with it.
Most of the failures can be tied to 2 specific areas.
When i built my last home in 2005 the plumber tried to pull a switch and substitute pex for the copper pipe he had quoted saying pex was superior.
Pex tubing or piping is used for water supply lines as well as radiant floor heating.
Polyethylene including pex has dimensional stability problems i e it shrinks back over time.
With 1 2 tubing a 6 pattern is sometimes used in smaller spaces such as bathrooms and for extreme cold climates while 8 and 9 patterns are standard for most living areas in most climates and a 12 pattern is used in garages.
No single pipe tubing system used in the us has been 100 problem free and pex is no exception.
It cannot be recycled.
The new plastic fashioned into flexible pex pipe also known as pex tubing arrived in the us in the 1980s initially for radiant floor heating systems.
The pipe and the fitting.
Pex tubing is easier and faster to install than most other types of plumbing pipe which makes it a popular choice for beginning plumbers.
For example by increasing the flow through 1 2 pex tubing by only 0 1 gpm floor output will increase at 5 btu sq.
While pex is generally considered a safe product and accepted by building codes the materials and components that comprise the system have several vulnerabilities and several defective fittings and systems produced by various manufacturers have resulted in leaks and system failures.
It can be buried underground in concrete in radiant floor heating installations but it is not meant for external piping applications.
It s not a good choice for water pipe under pressure.
Poly b is a flexible grey pipe used in residential plumbing and hot water heating systems from the mid 70s through the 80s and into the mid 90s.
Some of the disadvantages of pex include.
The flexible tubing is embedded in a.
To avoid these potential problems be sure to follow these four tips when installing pex pipe.
Here are some of the pex pipe problems you ll want to know about before making any decisions.
However if pex pipe is incorrectly installed leaks kinks and other common challenges can easily occur.
There s been a lot of debate over pex for the last several years because pex has a few downsides that you might not expect.
Unconfirmed estimates say there are approximately 200 000 homes in bc with poly b water systems and some 700 000 homes across canada.
The reasons for this are twofold.
Pex piping was invented in the 1950s and refined during the 1960s for use in for radiant floor heating systems.
Pex piping is not meant for external use.
