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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I've seen butyl tape and putty tape used on flanged windows and appliance openings. Then the edges covered with a polyurethane type caulk (3M 4000UV marine sealant or a home window sealant) or Geocell.
