How To Run Pex Through Attic

Secure the line to the joists using clamps image 2.

How to run pex through attic.

Do your best to separate the hot and cold lines to minimize heat transfer. Running pex in an attic. Insulation only slows the time when it will freeze after the water is not running through the pipe. Such as at night if the attic temp is 15 deg f.

Pull the lines up through the holes drilled in the sub floor image 1 and then run the other end to the area where the water will be coming into the home. It may give it an extra hour before it freezes solid. When running pipe from a slab to an attic use cross linked polyethylene tubing or pex instead of copper. I would re route it into the attic and down to each fixture.

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. San antonio is a temperate climate and it rarely gets below freezing and i know pex is more resilient when is comes to freeze ups as the plastic tends to expand as needed. Pex c is the most economical choice with a 10 foot section running 1 75 to 3 50 depending on brand and diameter. I looked in the attic and noticed that all of the plumbing that once was in the slab had been replaced by pex and was now in the attic.

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. Pex is semi flexible which allows for long continuous runs through joists and studs.