Forum Discussion

rlw999's avatar
rlw999
Explorer
Mar 03, 2021

Dicor lap sealant or Eternabond tape for new roof vent

I'm replacing a roof vent with one with a fan. I have both Dicor self leveling lap sealant and some 4" Eternabond tape. The roof is TPO. The current vent is sealed with lap sealant, but I'm not sur...
Seeking Advice
deltabravo's avatar
deltabravo
Nomad
Mar 08, 2021
Butyl tape under the flange, Dicor on top.

Dicor under the flange is a disaster when it comes time to replace the roof vent.

This is how I do it.

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