Replacing external vent for cooktop fan.
What do you like to use for bonding /waterproofing when replacing a Heng external plastic cooktop vent? My flapper broke off somewhere on the highway, already ordered a new one and will be doing the c...
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You use putty tape on fiberglass and metal. Butyl tape on rubber. At least, for roofs. I don't see why it'd be different for a wall. I read it on the instructions for a roof-mount vent hood replacement kit from Camco.
