Why are we even discussing this? Just in theory, right?? Or maybe it is a slow period on a lot of the sailing forums. Someone wants to take a very good boat, and build in flotation. Taking up very good useful space on a fairly small boat (15 or 17). With the chance of damaging the boat in the process. Maybe it will absorb, maybe it won't. Maybe it will mildew, maybe it won't. Will it break down in 5, 10, 15 years into gooey, cruddy $#%&"<?. Will it burn even more than an empty boat? Just having it in there, even new, may devalue the boat for any potential resale with who knows what foam in it. Yes, I know, we will NEVER sell, but life happens. Yes, boats can sink. IF the skipper takes them into danger, or sails them recklessly. Boats can also be refloated, repaired, and reused again. Wear your PFD, every time you go out. Have at it. Bill On Thu, Oct 22, 2009 at 6:27 PM, Gary M Hyde <gmhyde1@mac.com> wrote:
What about the aerosol foam in a can? It is easy to use. ⎈--Gary ☺
On Oct 22, 2009, at 1:50 PM, mrh219@yahoo.com wrote:
Clark Craft ( among others) sells a two part urethane foam that is supposed
to be closed cell to fill areas of boats (usually boat kits that you bought from them). Everybody says to do it in small batches so it doesn't get out of control, but I'm trying to get an idea of how much would be necessary. Not a lot of room in the forward compartment (which was screwed shut anyway on my boat) and lots of space in the stern.
________________________________ From: Larry E Yake <leyake@juno.com> To: montgomery_boats@mailman.xmission.com Sent: Thu, October 22, 2009 9:54:27 AM Subject: Re: M_Boats: m-15 floatation
As I recall from the last time this came up, expanding foam is not closed cell. Meaning it will absorb moisture, which would allow all sorts of undesirable things to grow inside. Also, it is a real mess when you want to remove it. You need closed cell foam. Larry
On Thu, 22 Oct 2009 08:32:23 -0500 Howard Audsley <haudsley@tranquility.net> writes:
Forgetting flotation for a minute, how does the two part expanding foam work as insulation vs. say......white or blue styrofoam?
On Oct 22, 2009, at 8:24 AM, <htmills@zoominternet.net> wrote:
Sean is right. Even if there is a substantial opening for the
foam to
expand out of, it can do scary things.
(I, too, speak from personal experience)
Tod Mills M17 #408, 1987 galley model BuscaBrisas
-----Original Message-----
From: montgomery_boats-bounces@mailman.xmission.com [mailto:montgomery_boats-bounces@mailman.xmission.com] On Behalf
Of
Nebwest2@aol.com
Sent: Thursday, October 22, 2009 1:19 AM To: montgomery_boats@mailman.xmission.com Subject: Re: M_Boats: m-15 floatation
"two part closed cell foam "
If you are talking about 2 part pour foam...the type where you
mix
part
"a" with part "b" and it instantly starts growing and forming
foam....be
careful. If you mix this stuff in a closed container where it
cannot
expand as
it needs to...or if it forms solid foam and blocks off its own
exit
while it
is still expanding ......it can do some scary things! Just know
that
it
IS going to expand....even if it needs to push you hull liner or
cockpit
walls
out of the way to do it...IT IS going to expand! Make sure to carefully calculate how much you mix so you don't turn your Monty 15 into a
Monty
19!
Please do not ask that I relate how I became familiar with the expansion properties of 2 part pour foam!!
:-) let's just say that I have had "confirmation" of some part
of
the
above statement!
Sean M23 "Dauntless" _www.havasumontgomerys.piczo.com_ (http://www.havasumontgomerys.piczo.com) _______________________________________________
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