How To Insulate Pex Pipe In Attic

There are no manufacturer guarantees it won t fail.

How to insulate pex pipe in attic. So far no leaks. Once my attic warms up after a few hours the next day the pipe thaw. 2 align the slit side of a length of flexible closed cell pipe insulation with the tubing. Pex won t ruin if frozen.

For corner joints that need to be insulated cut a simulated miter joint by cutting the insulation at a 45 degree angle. Pex pipe bottom line. Insulating your pipes is never a bad move to make and with piping that s as versatile as pex piping you ll want to do everything you can to protect it. I have a run of pex in my attic that freezes when the outdoor temps falls to about 15 degrees.

The water pipe interface with laminar flow is around r 0 01 and the pipe air interface is around r 0 5 so the pipe wall has little impact. This will help keep the product from slipping off the pipe and increases their insulating properties. It s smart to insulate water supply piping exposed to. Remove moisture dirt and oil from the surface of the pex tubing with a clean rag.

These foam rolls have a slit down the middle and attach to existing pipes with ease. It is important to insulate pex pipe in an attic particularly in cold weather areas. Continue this process over the entire length of piping in your attic. I looked in the attic and noticed that all of the plumbing that once was in the slab had been replaced by pex and was now in the attic.

Open the insulation piece at the slit and slide it over the pipe. Insulation from the experts. This will allow you to slip the insulation over the pipe corner easily. Tape the end seams of each insulation length with insulating tape.

While pex does not ordinarily burst in the cold the water in the pipes can still freeze. The key with these foam rolls is to seal the open slits with tape once they are installed.