In the housing construction industry things are changing due to long term use experience with foams. The blue and the pink foams are proving to slowly take on water and keep it while the bead foams breath better. So after twenty years the simple old beaded foam is still almost like new in say a roofing application while the Dow sm and like products have lost significant r value because of moisture loading.
How this applies under water in boats I have no idea.
Nick
Sent from my Bell Samsung device over Canada's largest network.
-------- Original message --------
From: "'.' eruttan@yahoo.com [harryproa]" <harryproa@yahoogroups.com.au>
Date: 2018-07-03 1:56 PM (GMT-05:00)
To: harryproa@yahoogroups.com.au
Subject: Re: [harryproa] Robs playing with polystyrene...
This would be my concern too. When i first brought up XPS Rick W spoke about water infiltration so repeatedly I thought he must have misunderstood and thought I meant bead foam.
I am willing to give a vac infused bead foam a chance, but i have doubts. I think the closed cell structure of XPS is a huge advantage.
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Posted by: 63urban <63urban@gmail.com>
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