That's an excellent question. How fast will the wrap damage the pipe(s) underneath? I plan to call Thermo Tec tomorrow and ask them. They do have a spray (can) which they said helps close the pores and bind the wrap material together better, but they said it was optional. It doesn't help with heat dissipation. I asked about what happens to the wrap when going down the road and it gets wet from rain and road spray. They said the water evaporates very quickly on account of the heat and it does not damage the wrap in any way. I didn't ask about salt spray from de-icing the roads. I wouldn't be surprised if the salt clings to the wrap helping to initiate corrosion. I will see what they have to say.
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