How To Keep Pex From Freezing In Attic

Shut off your main water line.

How to keep pex from freezing in attic.

Follow these steps to prevent pex pipes from freezing in your home. Keep rooms at 55 degrees or more when outdoor temps drop below 20 degrees. If a span of pipe is particularly vulnerable to low temperatures electric pipe heating tape acts like an electric blanket for pipes to prevent freezing. Route pex pipe through interior not exterior walls where possible.

Use heat tape on problem pipes. How to thaw a frozen pex pipe. Open all the faucets that are connected to those pex pipes. Insulate pex pipe exposed to freezing temperatures.

Designing your home now. It is important to insulate pex pipe in an attic particularly in cold weather areas. I looked in the attic and noticed that all of the plumbing that once was in the slab had been replaced by pex and was now in the attic. Insulate pipes run through an attic to reduce the risk of freezing.

Inspect the pex pipes and make sure that there are no visible cracks in the pipe. 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 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.

In electrical we have to keep exposed wiring at least 6 feet from the entrance to an attic to protect it. Use the same diameter foam pipe insulation tube as the pex pipe. Step 2 pull open one end of a section of foam pipe insulation tubing at the slit using your hands. I d bet leaks under a house are many times more likely do to winter freezing.

Measure the diameter of the pex pipe that needs to be insulated. If you re saying it s more exposed in the attic i agree but they should have run it in locations where it s relatively protected. If you do see a crack contact your local plumber.