How To Run Pex Through Attic

Because there are.

How to run pex through 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. 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. When running pipe from a slab to an attic use cross linked polyethylene tubing or pex instead of copper. Such as at night if the attic temp is 15 deg f.

Pex is semi flexible which allows for long continuous runs through joists and studs. Running pex in an attic. Insulation only slows the time when it will freeze after the water is not running through the pipe. Pex type is forgiving when it freezes as far as breakage but insulating an exposed water line does little to keep it from freezing.

I looked in the attic and noticed that all of the plumbing that once was in the slab had been replaced by pex and was now in the attic. 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. Pex c is the most economical choice with a 10 foot section running 1 75 to 3 50 depending on brand and diameter.

Be sure to leave extra pipe on both ends of the run. 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.