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Old 08-06-16, 21:47
kosbie kosbie is offline
Rick Overy
 
Join Date: Jan 2010
Location: Bunwell, Norfolk, England
Posts: 58
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I think from memory the waterproofing compound was a sort of putty with asbestos fibre in it. I will see if I can lay my hands on the reference but it may take a while.
Rick
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