Quote:
Originally Posted by mwebber78
Yes you should butyl tape under the flange of the roof vent or a bead of Proflex caulking. On the Eternabond, I suggest a small bead at any 90-degree edge over the tape (all four corners) to ensure against lifting.
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Agree, this would be the best if you have all the correct materials.
Don't use Silicone caulk.
Eternabond should adhere well to the TPO and itself, but have seen minor lifting at edges.
Should be good to go.
Best regards,
Doug