ubeaut
16th November 2008, 07:18 AM
Hi All, I am building a 400mm step out of Hebel blocks would like to know if a "damp course membrane" is necessary for the first course of hebel blocks. The first course will be sitting on a concrete substrate. Any information is much appreciated. Thanks Macmen
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More... (http://www.renovateforum.com/showthread.php?t=73889&goto=newpost)