How To Run Pex Pipe In Attic

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How to run pex pipe in attic.

When running pipe from a slab to an attic use cross linked polyethylene tubing or pex instead of copper. Best case imo is to use continuous runs of pex with no fittings in the attic so your plumber will have to plan the layout a bit and the pipe should be very well insulated and protected from damage so that people walking through the attic insulation can t step on it. Some of the savings will go towards purchasing a special tool to install the fittings. Slip a crimp ring onto the pipe and then slide the pipe into the fitting.

There s a little shoulder on all the fittings that s where you slide the pex to. The flexible tubing is embedded in a. But if you re doing a medium to large plumbing job you ll usually save on pex over copper. For a variety of reasons from pipe damage under a slab to home design constraints water pipes may need to be run or rerouted through a home s attic.

Pex tubing or piping is used for water supply lines as well as radiant floor heating. Pex plumbing is cross linked polyethylene which is a type of plastic. Pex is semi flexible which allows for long continuous runs through joists and studs. You ll know it s in position when it s between an 1 8 and 1 4 or closer to the end of the pipe.

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. Use a pair of slip joint pliers or your fingers to slide the crimp ring up. Pex fittings are faster to install than copper. 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.

Half inch pex tubing costs about one third the price of copper.