Edited to remove excessive quotes.
---------- Forwarded message ----------
From: Dennis LaMonica <[log in to unmask]>
Styrofoam is extruded foam not expanded. Expanded foam (bead board) is like
the foam in a styrofoam cup an will absorb water but also allows the
transmission of some water vapor. Extruded foam is very impervious to both.
The point is that they are not the same.
Dennis
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