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<DIV><STRONG><FONT color=#4b0700 face="Courier New">Here's a table of moisture
absorption for lots of materials... </FONT></STRONG></DIV>
<DIV><STRONG><FONT color=#4b0700 face="Courier New"></FONT></STRONG> </DIV>
<DIV><STRONG><FONT color=#4b0700 face="Courier New"><A
title="http://www.byg.dtu.dk/upload/institutter/byg/publications/rapporter/lbm-162.pdf
CTRL + Click to follow link"
href="http://www.byg.dtu.dk/upload/institutter/byg/publications/rapporter/lbm-162.pdf">http://www.byg.dtu.dk/upload/institutter/byg/publications/rapporter/lbm-162.pdf</A></FONT></STRONG></DIV>
<DIV><STRONG><FONT color=#4b0700 face="Courier New"></FONT></STRONG> </DIV>
<DIV><STRONG><FONT color=#4b0700 face="Courier New">Page 43 shows that concrete
absorbs 1% of its weight in moisture as the RH of</FONT></STRONG></DIV>
<DIV><STRONG><FONT color=#4b0700 face="Courier New">the surrounding air rises
from 40 to 60%.</FONT></STRONG></DIV>
<DIV><STRONG><FONT color=#4b0700 face="Courier New"></FONT></STRONG> </DIV>
<DIV><STRONG><FONT color=#4b0700
face="Courier New">Nick</FONT></STRONG></DIV></BODY></HTML>