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Author Topic:   Foam in Nauset

Stauter99 posted 03-05-2003 09:31 PM ET (US)
I have a BW Nauset, not sure of the year, but probably before 1970. I was wondering if there are any tell tale signs of wet foam? I have a 5" hole drilled under the splashwell to get to the mounting bolts for the engine and when I opened it up last(2-3 months ago) it was dry as a bone, does this mean anything for the rest of the boat. If part of the foam gets wet, does it seep up like when you put half of a paper towel in water?
Thanks!!
Stauter99 posted 03-05-2003 09:40 PM ET (US)
Also, I had a stern light that was loosely mounted with no sealant and I suspect a little water entered there. I moved the light to a better place a month ago, and have left the 2 holes open. I am not sure whether to leave them open for a while to let it dry out, if there even was any water intrusion, or seal them, and if there is water in the holesthis may cause rot and soggy foam becasue I sealed the holes which sealed the water inside. Thanks Again!
Tom W Clark posted 03-05-2003 10:11 PM ET (US)
Stauter99,
It's good to hear that the foam under your splash well is dry. About the only way to tell if your hull has significant water in it is to weigh the hull. And that will only tell you if there is a lot of water in it or not. Either way I'm not enthusiastic about a course of action that will remove the water in there if there is any.
The foam does not wick water like a sponge, yet in hulls that do have water in them, the water has traveled some distance through the foam. I am unclear under exactly what circumstances this occurs.
I thin it would be good if you sealed up all holes in the hull of your boat including the 5" one under the splash well. You just don't want water to have access to the foam.
There's been quite a bit of discussion about all this here:
http://continuouswave.com/ubb/Forum1/HTML/001747.html
gansett posted 03-05-2003 10:27 PM ET (US)
Stauter, short of weighing the hull, there are at least have three "clues" to look for. One is actual water. Look for weeping from existing screw holes. If you have anything mounted below waterline like a transducer, take out a screw and look for weep.
Second is evidence of water-caused damange. Bad water penetration can cause wood embedded in the hull to swell. This can sometimes be seen when the wood pushes out on the glass surface. The recently discussed transom seam can pop open.
Finally, look for places water could have entered the hull... damage below the waterline, open holes in the deck particularly in areas where water might have gathered during boat storage.
If the boat looks like it sits well in the water, that's another reason to feel good about the integrity of your hull.

Stauter99 posted 03-06-2003 07:23 AM ET (US)
Thanks you for all of the advice! If there are any other suggestions they will be appreciated. Tom, the hole is sealed, it just has one of those [Beckson 6-inch access ports].
Shown Here-
Hyperlink
jimh posted 03-07-2003 09:14 AM ET (US)
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Author	Topic: Foam in Nauset
Stauter99	posted 03-05-2003 09:31 PM ET (US) I have a BW Nauset, not sure of the year, but probably before 1970. I was wondering if there are any tell tale signs of wet foam? I have a 5" hole drilled under the splashwell to get to the mounting bolts for the engine and when I opened it up last(2-3 months ago) it was dry as a bone, does this mean anything for the rest of the boat. If part of the foam gets wet, does it seep up like when you put half of a paper towel in water? Thanks!!
Stauter99	posted 03-05-2003 09:40 PM ET (US) Also, I had a stern light that was loosely mounted with no sealant and I suspect a little water entered there. I moved the light to a better place a month ago, and have left the 2 holes open. I am not sure whether to leave them open for a while to let it dry out, if there even was any water intrusion, or seal them, and if there is water in the holesthis may cause rot and soggy foam becasue I sealed the holes which sealed the water inside. Thanks Again!
Tom W Clark	posted 03-05-2003 10:11 PM ET (US) Stauter99, It's good to hear that the foam under your splash well is dry. About the only way to tell if your hull has significant water in it is to weigh the hull. And that will only tell you if there is a lot of water in it or not. Either way I'm not enthusiastic about a course of action that will remove the water in there if there is any. The foam does not wick water like a sponge, yet in hulls that do have water in them, the water has traveled some distance through the foam. I am unclear under exactly what circumstances this occurs. I thin it would be good if you sealed up all holes in the hull of your boat including the 5" one under the splash well. You just don't want water to have access to the foam. There's been quite a bit of discussion about all this here: http://continuouswave.com/ubb/Forum1/HTML/001747.html
gansett	posted 03-05-2003 10:27 PM ET (US) Stauter, short of weighing the hull, there are at least have three "clues" to look for. One is actual water. Look for weeping from existing screw holes. If you have anything mounted below waterline like a transducer, take out a screw and look for weep. Second is evidence of water-caused damange. Bad water penetration can cause wood embedded in the hull to swell. This can sometimes be seen when the wood pushes out on the glass surface. The recently discussed transom seam can pop open. Finally, look for places water could have entered the hull... damage below the waterline, open holes in the deck particularly in areas where water might have gathered during boat storage. If the boat looks like it sits well in the water, that's another reason to feel good about the integrity of your hull.
Stauter99	posted 03-06-2003 07:23 AM ET (US) Thanks you for all of the advice! If there are any other suggestions they will be appreciated. Tom, the hole is sealed, it just has one of those [Beckson 6-inch access ports]. Shown Here- Hyperlink
jimh	posted 03-07-2003 09:14 AM ET (US) [Fixed long URI]