Best Way To Insulate Pex In Attic

Water inside the pipes can still freeze.

Best way to insulate pex in attic.

I suppose you don t have freezing issues in fl but if you run it above the insulation the water in the pex will heat up more than if it is run close to the ceiling. Remove moisture dirt and oil from the surface of the pex tubing with a clean rag. I have a run of pex in my attic that freezes when the outdoor temps falls to about 15 degrees. Once my attic warms up after a few hours the next day the pipe thaw.

Insulation from the experts. 2 align the slit side of a length of flexible closed cell pipe insulation with the tubing. Continue this process over the entire length of piping in your attic. There are no manufacturer guarantees it won t fail.

While pex does not ordinarily burst in the cold the water in the pipes can still freeze. Open the insulation piece at the slit and slide it over the pipe. For corner joints that need to be insulated cut a simulated miter joint by cutting the insulation at a 45 degree angle. So far no leaks.

It is important to insulate pex pipe in an attic particularly in cold weather areas. Ideally in the attic you would want to run the pipe as close to the ceiling as possible below the insulation. Pex won t ruin if frozen. Insulate pipes run through an attic to reduce the risk of freezing.

This will allow you to slip the insulation over the pipe corner easily. Pex pipe is resistant to bursting but the fittings are not. It s smart to insulate water supply piping exposed to freezing temp.