Does all the old butyl tape need to come off?
Getting ready to leave on vacation tomorrow and noticed the vent in the cabover was leaking. I stuck eternabond tape over the old butyl tape as I was advised it was alright, but it didn't stick proper...
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And a FYI the eternabond has only been on for two months as I tried to do some preventive sealing before my kid came. So there isn't any noticeable damage from the water, it's been a dry summer with a few exceptions
