You have a pipe running through the attic the attic gets hot.
Pex pipe in attic.
While pex does not ordinarily burst in the cold the water in the pipes can still freeze.
The surface of pex piping can become grimy over time so before insulating you should take just a few minutes to clean it off.
Placing water pipes in outside walls greatly increases the risk of frozen and burst pipes in cold.
Moving plumbing pipes from a slab to an attic use pex pipe.
If you insulate the pipe the water will warm more slowly.
Yes rodents will chew absoultely eveything they step on.
It is important to insulate pex pipe in an attic particularly in cold weather areas.
Sometimes they have been insulated makes very little difference to the temp on a july or august afternoon.
A wet rag should easily wipe away any visible dirt or debris.
The flexible tubing is embedded in a.
Pex cpvc poly back in the day even copper in the attics etc.
The fact that it is pex has little to do with it although it is possible that it provides a bit higher thermal resistance than say copper.
When running pipe from a slab to an attic use cross linked polyethylene tubing or pex instead of copper.
Because pex piping is flexible it is often used in angles loops or other non linear shapes which makes it imperative to have equally flexible insulation material.
The water inside is going to get hot.