Pex Water Lines In Attic

Use pex pipe when running pipe from a slab to an attic use cross linked polyethylene tubing or pex instead of copper.

Pex water lines in attic.

It is important to insulate pex pipe in an attic particularly in cold weather areas. If you live in an area with acidic water copper can corrode over time. A pex supply won t corrode like copper. Pex tubing or piping is used for water supply lines as well as radiant floor heating.

Pex type is forgiving when it freezes as far as breakage but insulating an exposed water line does little to keep it from freezing. But even if you install pex fittings in a conventional main line and branch system the connections are quicker to make than soldering copper. They also contract with heat cold and sometimes even water flow. No interior walls to use either.

Need to get a hot water line from one end of the house to the other in a ranch with a concrete slab. Pex is available in a variety of lengths from short 10 foot pieces for small repairs to rolls over 500 feet long which are used to install a home s entire water supply system. A pex supply is unaffected by acidic water and is therefore a better choice in these areas. Such as at night if the attic temp is 15 deg f.

While pex does not ordinarily burst in the cold the water in the pipes can still freeze. Insulating pex pipes offer its own unique set of challenges and considerations. They are very flexible and less prone to cracking. Pex plumbing is cross linked polyethylene which is a type of plastic.

That s because pex pipes basically a type of plastic are physically different from other common piping materials. What is pex plumbing. Pex is semi flexible which allows for long continuous runs through joists. My plan is to run pex thru the attic below the insulation.

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.