Thread: Ash in cement,Ratio?
View Single Post
  #16   Report Post  
Posted to uk.d-i-y
Cynic[_2_] Cynic[_2_] is offline
external usenet poster
  
Posts: 307
Default Ash in cement,Ratio?
The Romans used volcanic and other ashes as pozzolans. I don't have any data as to it's "fineness".
Reply With QuoteReply With Quote