This thread had got me curious enough to come out of lurk mode :)

 Being no expert on fitting boats out I'm maybe missing the obvious.
 But after seeing the speed polystyrene burns and the acrid smoke 
produced when it burns its always given me some slightly worrying 
thoughts when I've seen it insulating some of the boats we have 
hired.  Is it really the best product to use?

 
> 
> Most glues dissolve polystyrene (you'll be amazed how much it 
shrinks, when 
> hit by solvent).
> Why condensation?  You only get that *if* the warm damp boat air 
gets to the 
> hull.  By making sure the polystyrene is always slightly large, you 
should 
> stop that.  If you don't then by the same reasoning the cold air 
from the 
> steel surface will get into the boat!
> Thinking laterally - has anyone stuck kitchen foil on the steel 
before 
> putting in the polystyrene?  That would cut down on any radiant 
heat 
> transmission.
> 
> Ron Jones
> Process Safety & Development Specialist
> Don't repeat history, unreported chemical lab/plant near misses at
> http://www.crhf.org.uk Only two things are certain: The universe and
> human stupidity; and I'm not certain about the universe. ~ Albert
> Einstein
>


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