[Public-List] Hull thickness question

[Rod Symmes]

 >the foam was in the bag, which I hope will inhibit the absorption of water.<

Gord - do you know if the cans of expanding foam result in open cell or closed cell foam ??  Any time I have used the stuff around the house where it cures while exposed to the air it appears to skin over with a surface that looks like it would shed water. [ Not so if you trim off the excess with a knife. ]  
Any thoughts from anyone else ?

Cheers,   Rod

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