Will Pex Freeze Attic

Insulate pipes run through an attic to reduce the risk of freezing.

Will pex freeze attic. I m in montana therefore it is a serious issue. The reason your pipes freeze and burst is simply because of the standing water in them. But pex pipes are flexible and as a result they will expand a bit during freezes making them less likely to burst. Pex pipe is resistant to bursting but the fittings are not.

While pex does not ordinarily burst in the cold the water in the pipes can still freeze. Insulation will help. It was stiff as a board. If you take the proper precautions you can prevent your pex pipes from freezing.

I ve seen the results from a test under the floor my nephew did that one. 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. I ve seen pex aluminum pex pipe in a floor freeze and badly. Pex expands making it more resistant to freeze cracking than either copper or steel.

But what do you think and this is what a member had to say. Depends on how often the attic is exposed to freezing temperatures. Pex does not corrode which can happen with both copper and steel pipes leading to leaks and contamination of. We had some 1 pex run in an attic that due to several weird circumstances froze up solid like about 70 feet in length.

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. Existing ranch has very low ceilings 7 8 so dropping any ceilings will not work. 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. No interior walls to use either.

But that doesn t mean they are freeze proof. I looked in the attic and noticed that all of the plumbing that once was in the slab had been replaced by pex and was now in the attic. Water inside the pipes can still freeze. Cross linked polyethylene tubing better known as pex pipe has revolutionized plumbing installations in new home construction and remodeling.

My plan is to run pex thru the attic below the insulation.