Westsail Owners Alliance - Thread: "Through-deck Conduit"
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Thread: "Through-deck Conduit"

12,268 posts on 2,444 threads   •   From Mar 07, 2004 - Jan 08, 2012


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Through-deck Conduit

Frank and Melanie Scalfano


The previous owner of my boat ran a rubber propane line through the foredeck and caulked the hole with some sort of caulk (probably boat life), building up the hole with a sort of a teak gasket around the hose, screwed down to the existing teak decking. This arrangement has not turned out satisfactorily, as I have discovered that it has been leaking and rotted out the plywood paneling in the V berth. Do you have any suggestions as far as how to properly do this? I have been thinking some sort of a pvc bulkhead fitting, after completely sealing the hole in the deck with epoxy and re-boring it with a spade bit, and seating the bulkhead fitting in the black deck caulk or polysulfide. What do you think?


Bud Taplin

Frank, Your approach is the correct one.

Norm Rhines


I will chime in with one other suggestion. If you use a PVC pipe thread on the top that matches (an electrical strain relief you can use this strain relief with its' seal, to seal the line to pipe space)

Take a trip by home depot in the electrical section and look for the strain reliefs "nut and rubber cone, it is used on outdoor elec applications to keep junction box to cord connections waterproof"

FYI I used bronze piping for the thru deck part.

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