Will Pex Freeze Attic

It is important to insulate pex pipe in an attic particularly in cold weather areas.

Will pex freeze attic.

Insulation will help. Pex does not corrode which can happen with both copper and steel pipes leading to leaks and contamination of. I m in montana therefore it is a serious issue. I ve seen pex aluminum pex pipe in a floor freeze and badly.

Water inside the pipes can still freeze. No interior walls to use either. Cross linked polyethylene tubing better known as pex pipe has revolutionized plumbing installations in new home construction and remodeling. But pex pipes are flexible and as a result they will expand a bit during freezes making them less likely to burst.

While pex does not ordinarily burst in the cold the water in the pipes can still freeze. I looked in the attic and noticed that all of the plumbing that once was in the slab had been replaced by pex and was now in the attic. The reason your pipes freeze and burst is simply because of the standing water in them. It was stiff as a board.

Water line would run over the top of the 2x4 bottom truss cord and i would create a tent over pipe so there was no. Pex expands making it more resistant to freeze cracking than either copper or steel. I ve seen the results from a test under the floor my nephew did that one. But that doesn t mean they are freeze proof.

My plan is to run pex thru the attic below the insulation. 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. Depends on how often the attic is exposed to freezing temperatures. Need to get a hot water line from one end of the house to the other in a ranch with a concrete slab.

Insulate pipes run through an attic to reduce the risk of freezing. Safe for potable water pex is the red and blue flexible tubing that s used to make gentle bends around obstructions in your attic and is perfect for adding water supply to hard to reach locations. Have seen plumbing in the attic a couple of times and insulated or not there has been or will be leaks at some point in time some winters are mild and a homeowner might get lucky. Pex pipe is resistant to bursting but the fittings are not.

But what do you think and this is what a member had to say.