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.
Best way to insulate pex in attic.
For corner joints that need to be insulated cut a simulated miter joint by cutting the insulation at a 45 degree angle.
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.
Water inside the pipes can still freeze.
Pex won t ruin if frozen.
I have a run of pex in my attic that freezes when the outdoor temps falls to about 15 degrees.
Remove moisture dirt and oil from the surface of the pex tubing with a clean rag.
This will allow you to slip the insulation over the pipe corner easily.
It is important to insulate pex pipe in an attic particularly in cold weather areas.
The best way to ensure a long lifespan for your piping is to insulate properly which in some cases means insulating with the professionals.
Insulation from the experts.
Insulate pipes run through an attic to reduce the risk of freezing.
There are no manufacturer guarantees it won t fail.
It s smart to insulate water supply piping exposed to freezing temp.
Ideally in the attic you would want to run the pipe as close to the ceiling as possible below the insulation.
Once my attic warms up after a few hours the next day the pipe thaw.
While pex does not ordinarily burst in the cold the water in the pipes can still freeze.
Pex pipe is resistant to bursting but the fittings are not.
Open the insulation piece at the slit and slide it over the pipe.
Continue this process over the entire length of piping in your attic.