[Public-list] MY 1968 pre liner bilge

Wed May 5 03:17:45 PDT 2004

You will have to plane or sand the top of the foam level but that's easy. It
pours in flat and expands relatively flat. We used to spray it in walls for
insulation then shave to the level of the studs. The area I'm doing is only
about 1x10x6 inches. Just enough to pour new resin over the floor area that
cracked up.

Bill

--

> From: "Roger L. Kingsland" <rkingsland101 at ksba.com>
> Organization: KSBA Architects
> Reply-To: Alberg 30 Public List -- open to all <public-list at alberg30.org>
> Date: Tue, 04 May 2004 12:39:25 -0400
> To: Alberg 30 Public List -- open to all <public-list at alberg30.org>
> Subject: Re: [Public-list] MY 1968 pre liner bilge
> 
> Gord & Mike,
> 
> Thanks for the foam feedback.  My clarifying question is one of scale.  If I
> encapsulate one to two square feet of foam in fiberglass (no joints), will
> not the chances of saturating the foam be greatly reduced?  With this
> scenario, there appear to be only two ways moisture can get in, osmosis and
> condensation.  Hopefully osmosis is not a possibility and condensation
> doesn't occur w/ solid material.  Perhaps the greatest risk is flexing of
> the hull would cause delamination between the foam and the inside surface of
> the hull and condensation could form there.  Any theories on the cause of
> the foam saturation in your Whalers;  leaks from seams / through-hulls,
> delamination, leaky beer coolers?
> 
> I can't find any self leveling foam so, it probably doesn't matter anyway.
> Thanks for your valued input.
> 
> Roger
> 
> 
> Roger L. Kingsland, AIA
> Managing Partner
> Kingsland Scott Bauer Associates (KSBA)
> N40° 27' 49"  W79° 57' 59"
> 3441 Butler Street
> Pittsburgh, PA 15201
> www.ksba.com
> 
> 1(412) 252-1500 X101 - Office & Voice Mail
> 1(412) 779-5101 - Mobile (no voice mail)
> 1(412) 252-1510 - Fax
> 
> 
> ----- Original Message -----
> From: "Gordon Laco" <mainstay at csolve.net>
> To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>
> Sent: Tuesday, May 04, 2004 8:17 AM
> Subject: Re: [Public-list] MY 1968 pre liner bilge
> 
> 
>> Hello Mike -
>> 
>> I agree - I do not believe that there is any way to be sure that the foam
>> will not eventually become saturated.
>> 
>> Gord #426 Surprise (whose dinghy is a Boston Whaler Squall - great boat
> but
>> heavy...)
>> 
>> 
>> 
>> 
>> 
>> 
>>> Here's a personal experience I had with a foam-filled boat. You know how
>>> they advertise Boston Whalers to be unsinkable because they are foam
> filled?
>>> Remember seeing the ads where they cut a boat into thirds and all the
> pieces
>>> still float? (I'm not sure why that attracts anyone to buy the boat - I
>>> would never cut my boat into thirds!) What does happen, I found out, was
> if
>>> water gets into the hull and foam the boat becomes very, very heavy. Ah!
> But
>>> you say, the foam is closed-cell and doesn't absorb water!! While this
> may
>>> be true intially, after a few freeze-thaw cycles, I have found that the
> foam
>>> becomes absorbant and acts like a huge sponge. I wrote to the Boston
> Whaler
>>> folks and they sent me a complete set of printed instructions on how to
> fix
>>> the problem (think this has ever happened to anyone else?). The
> instructions
>>> started out by flipping my 17' Whaler over and cutting out large
> sections of
>>> the hull so I could dig all of the water-laden foam out...I sold the
> boat.
>>> They buyer was told that the foam had become water logged and replied:
> "No
>>> problem, a lot of them have that".
>>> 
>>> Just a word of caution from a personal experience.
>>> 
>>> 
>>> 
>>> Mike Lehman
>>> "Gilleleje" #505
>>> 
>>> ~~~_/)_/) ~_/) ~~
>>> 
>>> 
>>> 
>>> 
>>> 
>>> ----Original Message Follows----
>>> From: "Matthew Hay" <haymatthew_ at hotmail.com>
>>> Reply-To: Alberg 30 Public List -- open to all
> <public-list at alberg30.org>
>>> To: public-list at alberg30.org
>>> Subject: [Public-list] MY 1968 pre liner bilge
>>> Date: Tue, 04 May 2004 00:08:54 -0400
>>> 
>>> Bill,
>>> When I had my engine out in my 1968 pre liner bilge i also had about a
> foot
>>> of silica type sand stuff in the bottom of the bilge in the V shaped
>>> section.  I did not have any sort of covering of fiberglass or any
> material
>>> over the sand.  I just had smelly oily sand.  Perhaps in an attempt to
> seal
>>> off the oily bilge smell or some other reason? someone poured a new
> floor
>>> over the sandy stuff??  In my 1968 boat the bilge under the engine and
> the
>>> small bilges under the cabin sole are not connected.  They are sealed of
>>> with a wooded wall between the engine bilge and the smaller bilges.
> With a
>>> drain hole cut so any water in the forward bilge (or sand) is washed
> back
>>> into the maine engine bilge.
>>> Why would you want to fill your bilge up with expanding foam?  In my
>>> experience expanding foam in an out doors type application when left on
> its
>>> own and not protected from water etc. turns dark orangeish brown and
> starts
>>> to deteriorate.  Perhaps you should just wait until you can take your
> engine
>>> out sometime and then just clean out your bilge.   I would rather clean
> sand
>>> out of a bilge then expanding foam.  Also think of your re-sale value
> and
>>> trying to explain to someone that you filled the bilge with expanding
> foam.
>>> The floor over the sand does not make any sense to me.  I do not believe
> the
>>> sand to be functional since I found tools and bolts way down at the
> bottom
>>> of the bilge under all the sand.  Meaning that it collected somehow over
>>> time.  Your bilge is basically just the entire inside of your keel which
> is
>>> very solid fiberglass.  Maybe the missing section of the false floor is
> not
>>> really an issue?
>>> I hope this helps some,
>>> Matthew #314 1968  "Renard"
>>> 
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