Heat tracing tape will not hurt the pex.
Flashing roof heat tape for pex.
Then you need to talk to the heat tape company about the adhesive that they are using.
Unless you re using a self adhesive style of heat trace.
Masking tape doesn t have the strength to secure the cable kit any length of.
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.
The heat tape i use is rated for plastic pipes according to the manufacturer.
Usually in the middle of the night.
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.
When temperatures begin to plummet protect your pipes and roof against freezing with the assortment of quality.
Flashing 3 4.
Wrap the pex in aluminum foil and then apply the heat tape over it add the half inch insulation and plastic vapor wrap.
Install roof heating cables when it s dry outside and safe to work from a ladder.
Multi size aluminum roof flashing.
Remember there are more than one type of heat tape the flat heat tape if covered with insulation can burn down a house if the instructions are not followed precisely.
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.
Roof heating cables come with detailed installation instructions and the cables should be plugged into a gfi grounded outlet.
This is obviously a feature that copper pipe has built in.