This is obviously a feature that copper pipe has built in.
Flashing roof heat tape for pex.
To secure the heating cable kit apply application tape or any good quality electrical tape with a minimum 176 f temperature rating at six inch intervals.
Unless you re using a self adhesive style of heat trace.
I doubt it will bother the pex unlike flowgaurd gold cpvc that has about 14 pages of stuff that can t come in contact with the pipe.
Where to find heat tape.
If it overheats it can catch fire.
Then you need to talk to the heat tape company about the adhesive that they are using.
This will disperse the heat around the pex pipe.
Install roof heating cables when it s dry outside and safe to work from a ladder.
Heat tracing tape will not hurt the pex.
Flashing 3 4.
Usually in the middle of the night.
The heat tape i use is rated for plastic pipes according to the manufacturer.
Aluminum base with elastomer collar.
Multi size aluminum roof flashing.
Wrap the pex in aluminum foil and then apply the heat tape over it add the half inch insulation and plastic vapor wrap.
When temperatures begin to plummet protect your pipes and roof against freezing with the assortment of quality.
Do not under any circumstances cover it with rubber type arma flex insulation.
Fits any roof pitch from flat to 45.
You can secure the heat cable kits with just about any type of tape but you should stay away from masking tape.