I am trying to find out if anyone else has experienced the same problems with the plywood spacers which are sandwiched between the thru hull flange and the hull. Is this a problem which could cause a leak in the future? If so what is the best way to repair.
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They need to be replaced.
Mark: They need to be replaced from time-to-time. I also have one that is weeping. I was actually thinging about using polyboard.
Mark: They need to be replaced from time-to-time. I also have one that is weeping. I was actually thinging about using polyboard.
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Barry
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Forrest B True
Spacers between hull and fittings
Mark: I replaced mine when the boat was new. I used solid teak coated with epoxy. (West System). Boat is an 87 h31. So far so good.
Mark: I replaced mine when the boat was new. I used solid teak coated with epoxy. (West System). Boat is an 87 h31. So far so good.
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David Mullenax
Why Use Wood?
I can understand (somewhat) Hunter cutting costs and using plywood down there, but if I'm going to go to the trouble of replacing the thruhull spacers (and my '85 H34 needs them done also), I want something that will never soak up water or rot. Like Steve said, I think polyboard (King Starboard) would work nicely.
I can understand (somewhat) Hunter cutting costs and using plywood down there, but if I'm going to go to the trouble of replacing the thruhull spacers (and my '85 H34 needs them done also), I want something that will never soak up water or rot. Like Steve said, I think polyboard (King Starboard) would work nicely.
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fred miller
Me Too, I West System'd Them
Rather than replace the thru hull fittings which were in good shape [for now, anyway]I West System'd the plywood donuts in place. They Will Rot No More and are as solid as a rock. BUT . .be carefull not to West in the retaining nuts, as you will need a chisel to break them free if and when you need to replace the thru hull. West System epoxy bonds with the hull fiberglas and wood spacers very nicely and is maintenance free. I was told by a boat builder that the plywood spacer was only used so the flat plane of the thru hull fitting [bottom flange] would conform to the curved plane of the hull and also serves as bedding for the fitting when it is compressed by tightening the nut. It has no mechanical function beyond that and might as well be part of the hull. The caulking seemed good so I glassed them in a year ago. Fred Miller S/V M Squared
Rather than replace the thru hull fittings which were in good shape [for now, anyway]I West System'd the plywood donuts in place. They Will Rot No More and are as solid as a rock. BUT . .be carefull not to West in the retaining nuts, as you will need a chisel to break them free if and when you need to replace the thru hull. West System epoxy bonds with the hull fiberglas and wood spacers very nicely and is maintenance free. I was told by a boat builder that the plywood spacer was only used so the flat plane of the thru hull fitting [bottom flange] would conform to the curved plane of the hull and also serves as bedding for the fitting when it is compressed by tightening the nut. It has no mechanical function beyond that and might as well be part of the hull. The caulking seemed good so I glassed them in a year ago. Fred Miller S/V M Squared
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