#11  
Old 09-10-2008, 10:40 PM
Journeyman
 
Join Date: Jun 2008
Location: Melbourne Australia
Posts: 399
Default Re: mortar problems??

Woodsman try "cement fondue" made by Kerneos [ used to be made by Lafarge] very good c/ aluminate cement.
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  #12  
Old 09-10-2008, 10:56 PM
james's Avatar
Brick Oven Merchant
 
Join Date: Mar 2005
Location: Pebble Beach, CA
Posts: 4,648
Default Re: mortar problems??

If you can find it, the Lafarge-like product will do it. It's called Lumnite in the U.S.

If not, and you decide to go Portland cement, make sure you add the fireclay. That is what will hold your mortart together over the years, and the Portland eventually starts to give up from the expansion and contraction.
James
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